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Reference Standards: Single Component Solutions
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![]() d9-Tetrahydrocannabinolic Acid A (THCA-A) StandardU.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
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![]() Cannabidivarinic Acid (CBDVA) Reference Standard
Excluded from U.S. DEA Controlled Substances Act (CSA) regulatory controls—no customer permits or licensing required to purchase within the U.S. View Product Information |
![]() LC Passivation SolutionUsed to passivate your LC system before your first analysis if you: (a) are analyzing phosphorylated compounds or other polar molecules known to chelate or interact with metal ions in your LC (e.g., glyphosate); and also (b) have stainless steel in your instrument flow path; and/or also (c) your LC column hardware is showing activity towards phosphorylated compounds or other polar molecules known to chelate. View Product Information |
![]() Cannabigerolic Acid (CBGA) Standard
Excluded from U.S. DEA Controlled Substances Act (CSA) regulatory controls—no customer permits or licensing required to purchase within the U.S. View Product Information |
![]() Acrylamide-d3Deuterium-labeled acrylamide is an excellent and cost-effective isotopically labeled internal standard choice for the analysis of acrylamide in food or environmental samples. View Product Information |
![]() Cannabicyclol (CBL) Standard
Excluded from U.S. DEA Controlled Substances Act (CSA) regulatory controls—no customer permits or licensing required to purchase within the U.S. View Product Information |
![]() Cannabidivarin (CBDV) Standard
Excluded from U.S. DEA Controlled Substances Act (CSA) regulatory controls—no customer permits or licensing required to purchase within the U.S. View Product Information |
![]() Triundecanoin
View Product Information |
![]() Tritridecanoin Glyceride
View Product Information |
![]() Boron Trifluoride
View Product Information |
![]() Ethyl sulfate-d5 sodium salt (EtS-d5)Alcohol metabolite biomarkers for monitoring alcohol consumption in urine samples. View Product Information |
![]() Ethyl sulfate sodium salt (EtS)Alcohol metabolite biomarkers for monitoring alcohol consumption in urine samples. View Product Information |
![]() Ethyl-β-D-glucuronide-d5 (EtG-d5)Alcohol metabolite biomarkers for monitoring alcohol consumption in urine samples. View Product Information |
![]() Ethyl-β-D-glucuronide (EtG)Alcohol metabolite biomarkers for monitoring alcohol consumption in urine samples. View Product Information |
![]() Tetrahydrocannabivarin (THCV) Standard
U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() Pyrethrins StandardIsomeric in nature, the pyrethrins neat material contains the following isomers: cinerin I and II, jasmolin I and II, and pyrethrin I and II. Isomer ratios for each lot are given in elution order on the certificate. View Product Information |
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![]() Cannabidiolic Acid (CBDA) Standard
Excluded from U.S. DEA Controlled Substances Act (CSA) regulatory controls—no customer permits or licensing required to purchase within the U.S. View Product Information |
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![]() Dimethyldichlorosilane (DMDCS) Deactivating Agent
View Product Information |
![]() LC Multiresidue Pesticide Standard #10 (Carbendazim)Carbamate/Uron CompoundsAccurately detect and quantify pesticides of global food safety concern in a wide range of fruits, vegetables, and other commodities by LC-MS/MS. Ampul 10 of 10 in the LC-MS/MS Multiresidue Pesticide Standard Kit. Other ampuls also sold separately. View Product Information |
![]() LC Multiresidue Pesticide Standard #8 (Hydramethylnon)Organonitrogen CompoundsAccurately detect and quantify pesticides of global food safety concern in a wide range of fruits, vegetables, and other commodities by LC-MS/MS. Ampul 8 of 10 in the LC-MS/MS Multiresidue Pesticide Standard Kit. Other ampuls also sold separately. View Product Information |
![]() Ethylene Oxide Standard
View Product Information |
![]() Linuron-d6 StandardIsotopically labeled to provide the best approach for pesticide residue quantification. View Product Information |
![]() Diuron-d6 StandardIsotopically labeled to provide the best approach for pesticide residue quantification. View Product Information |
![]() Dimethoate-d6 StandardIsotopically labeled to provide the best approach for pesticide residue quantification. View Product Information |
![]() Dichlorvos-d6 StandardIsotopically labeled to provide the best approach for pesticide residue quantification. View Product Information |
![]() Diazinon-d10 StandardIsotopically labeled to provide the best approach for pesticide residue quantification. View Product Information |
![]() Carbaryl-d7 StandardIsotopically labeled to provide the best approach for pesticide residue quantification. View Product Information |
![]() Atrazine-d5 StandardIsotopically labeled to provide the best approach for pesticide residue quantification. View Product Information |
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![]() Endrin Aldehyde StandardNote: Cat. #s 32463–32468 are dissolved in acetone and replace cat. #s 32219–32224, which were dissolved in methanol. View Product Information |
![]() Endosulfan II StandardNote: Cat. #s 32463–32468 are dissolved in acetone and replace cat. #s 32219–32224, which were dissolved in methanol. View Product Information |
![]() Endosulfan I StandardNote: Cat. #s 32463–32468 are dissolved in acetone and replace cat. #s 32219–32224, which were dissolved in methanol. View Product Information |
![]() Endrin Ketone StandardNote: Cat. #s 32463–32468 are dissolved in acetone and replace cat. #s 32219–32224, which were dissolved in methanol. View Product Information |
![]() Endrin StandardNote: Cat. #s 32463–32468 are dissolved in acetone and replace cat. #s 32219–32224, which were dissolved in methanol. View Product Information |
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![]() Cannabichromene (CBC) StandardExcluded from U.S. DEA Controlled Substances Act (CSA) regulatory controls—no customer permits or licensing required to purchase within the U.S. View Product Information |
![]() Cannabigerol (CBG) StandardExcluded from U.S. DEA Controlled Substances Act (CSA) regulatory controls—no customer permits or licensing required to purchase within the U.S. View Product Information |
![]() d8-Tetrahydrocannabinol (d8-THC) StandardU.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() AOAC QuEChERS Triphenylphosphate Solution
View Product Information |
![]() (+)MethamphetamineNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
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![]() TriazolamNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
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![]() ThebaineNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
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![]() TemazepamNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() TalbutalNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
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![]() SecobarbitalNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
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![]() PrazepamNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() PhentermineNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
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![]() PhenobarbitalNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() PhendimetrazineNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() PhencyclidineNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
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![]() PentobarbitalNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() PentazocineNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
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![]() OxymorphoneNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() OxycodoneNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() OxazepamNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() nor-Fentanyl oxalateNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. View Product Information |
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![]() NitrazepamNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() NicotineNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. View Product Information |
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![]() MorphineNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
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![]() MethohexitalNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() MethaqualoneNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() MethadoneNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
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![]() MeprobamateNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() MephobarbitalNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() MeperidineNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() LorazepamNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() LevorphanolThis reference standard is prepared from levorphanol tartrate dihydrate (CAS# 5985-38-6) at a final concentration equivalent to 1000 µg/mL of the parent compound levorphanol (CAS# 77-07-6). Note: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for seven days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
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![]() HydromorphoneNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() HydrocodoneNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() HexobarbitalNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() n-Hexane**Actual concentration of n-hexane reported (determined via a calibration curve) may be below General Chapter <467> limits and could produce a false positive result. View Product Information |
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![]() FlurazepamNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
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![]() FlunitrazepamNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() FentanylNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
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![]() EDDP perchlorateNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. View Product Information |
![]() EcgonineNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() DL-GlutethimideNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
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![]() DiazepamNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() Dextro-propoxypheneNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() Dextromethorphan HBr monohydrateNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. View Product Information |
![]() d-AmphetamineNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
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![]() d9-Tetrahydrocannabinol (d9-THC) StandardU.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
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![]() CotinineNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. View Product Information |
![]() CodeineNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() CocaineNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() CocaethyleneNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() ClonazepamNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() ClobazamNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
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![]() ChlordiazepoxideNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
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![]() Cannabinol (CBN) StandardExcluded from U.S. DEA Controlled Substances Act (CSA) regulatory controls—no customer permits or licensing required to purchase within the U.S. View Product Information |
![]() Cannabidiol (CBD) StandardExcluded from U.S. DEA Controlled Substances Act (CSA) regulatory controls—no customer permits or licensing required to purchase within the U.S. View Product Information |
![]() ButalbitalNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() ButabarbitalNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
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![]() BromazepamNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
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![]() BenzphetamineNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
![]() BenzoylecgonineNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
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![]() BarbitalNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
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![]() AprobarbitalNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
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![]() AlprazolamNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
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![]() 3,4-MDMA HClNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. U.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
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![]() 1,4-ButanediolNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. View Product Information |
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![]() 1,2-DiphenylhydrazineNote that 1,2-diphenylhydrazine is an unstable compound that will oxidize to azobenzene, thereby decreasing the concentration of 1,2-diphenylhydrazine over time. For accurate calibration results, it is recommended that the concentrations of 1,2-diphenylhydrazine and azobenzene be combined. View Product Information |
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![]() α-Methylene-γ-butyrolactone (AMGBL)Note: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. View Product Information |
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![]() γ-ValerolactoneNote: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. View Product Information |
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![]() γ-Butyrolactone (GBL)Note: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40 °C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request. View Product Information |
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![]() Chlordane Solutions
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![]() AcroleinNote: Store standards under frozen conditions (–20 °C or colder). We recommend you store ampuls lying flat (horizontally) to prevent breakage. For best results, thaw the contents of the ampul fully and shake the ampul well before opening and using the solution. View Product Information |
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![]() 8330 Internal Standard (1,4-Dinitrobenzene)To ensure the highest quality explosives standards, Restek chemists carefully purify or synthesize all of the compounds listed in EPA Method 8330. View Product Information |
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![]() Toxaphene Solutions
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![]() tert-Amyl ethyl ether Standard (TAEE)Oxygenate additive in (US) gasolines. A US EPA target analyte that is not commercially available, this reference material is prepared from a laboratory-synthesized sample. View Product Information |
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![]() Chloral HydrateU.S. DEA-exempted formulation—no additional customer permits or licensing are required to purchase within the U.S. View Product Information |
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![]() C50 in Toluene (n-Pentacontane)
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![]() Mineral SpiritsThere are four general types of mineral spirits, classified according to boiling point range (BPR):
This standard is manufactured using the Type 1 mineral spirit. Note: Cat.#s 31260 and 31261 are produced with CAS# 64475-85-0, a Type 1 Mineral Spirit containing the proper ratio of n-alkanes (higher proportion) and isoparaffins/cycloalkanes (lower proportion). Lots produced prior to March 2017 contained CAS# 8030-30-6, a C10-C13 isoparaffins odorless Mineral Spirit with >98% isoparaffins (branched alkanes/aromatics) and minimal n-alkanes. View Product Information |
![]() Diesel Fuel #2 (ASTM Class 5 Accelerant)Prepared from a single source (one refinery) product. The weathered materials indicate the percent weight loss from the original material. View Product Information |
![]() Kerosene (ASTM Class 4 Accelerant)Prepared from a single source (one refinery) product. The weathered materials indicate the percent weight loss from the original material. View Product Information |
![]() Unleaded Gasoline (ASTM Class 2 Accelerant)Prepared from a single source (one refinery) product. The weathered materials indicate the percent weight loss from the original material. View Product Information |
![]() Polywax StandardsSupports ASTM Methods D2887, D6352, D7169, D7398, and D7500. These high molecular weight hydrocarbon waxes are useful for simulated distillation and other high-temperature GC work. View Product Information |
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![]() Stoddard Solvent StandardWe offer this certified reference material for those who need to calibrate Stoddard solvent separately. This standard is dissolved in methanol for analysis by either direct injection or purge and trap. View Product Information |
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![]() Hydraulic Oil Standard
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![]() Creosote Oil StandardCreosote oil is a coal tar derived distillate. For total petroleum hydrocarbon pattern recognition of creosote oil. High concentration—50,000 µg/mL in methylene chloride. View Product Information |
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![]() Fuel Oil #6 StandardA high-viscosity residual type of heavy fuel oil requiring preheating to 104–127 °C. This material is also known as residual fuel oil (RFO) or Bunker C. View Product Information |
![]() Fuel Oil #4 StandardFuel oil #4 is typically used in limited applications in which the fuel cannot be preheated prior to burning. The fuel is a blend of distillate (fuel oil #2) and residual (fuel oil #6). View Product Information |
![]() Used Motor Oil Composite Standard
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![]() Motor Oil Composite Standard
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![]() Kerosene Composite Standard
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![]() Diesel Fuel #2 Composite Standard
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![]() Unleaded Gasoline Composite Standard
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![]() CarbazoleNote: Cat. #s 32463–32468 are dissolved in acetone and replace cat. #s 32219–32224, which were dissolved in methanol. View Product Information |
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![]() L/C VOA Lab Control Sample #2 (Vinyl chloride)We prepare the L/C VOA Lab Control Sample in two parts. Sample #1 contains all compounds except vinyl chloride, because this compound is extremely volatile and must be replaced frequently. Sample #2 contains vinyl chloride. View Product Information |
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![]() 8330 Surrogate (1,2-Dinitrobenzene)EPA Method 8330 is used to measure explosives residues in water and soil samples, using HPLC with UV detection.1 Target analytes are nitroaromatic and nitramine explosives and their degradation products. Obtaining pure, neat compounds for Method 8330 reference standards can be very difficult. To ensure the highest quality standards, Restek's Quality Control (QC) lab confirms the identity and purity of mixture components and solvents using one or more of the following techniques: GC-FID, HPLC, GC-ECD, GC-MS, LC-MS, refractive index, and melting point. View Product Information |
![]() 8330 Internal Standard (3,4-Dinitrotoluene)EPA Method 8330 is used to measure explosives residues in water and soil samples, using HPLC with UV detection.1 Target analytes are nitroaromatic and nitramine explosives and their degradation products. Obtaining pure, neat compounds for Method 8330 reference standards can be very difficult. To ensure the highest quality standards, Restek's Quality Control (QC) lab confirms the identity and purity of mixture components and solvents using one or more of the following techniques: GC-FID, HPLC, GC-ECD, GC-MS, LC-MS, refractive index, and melting point. View Product Information |
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![]() ChloropreneA pure, quantitative chloroprene solution, specially stabilized in purge-and-trap grade methanol to allow dilutions for working standards in unmodified purge-and-trap methanol. The entire preparation procedure is performed under carefully monitored conditions to prevent any contamination or polymerization of the highly reactive, neat chloroprene. View Product Information |
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![]() Aroclor Solutions
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![]() Antifoam Agent for Purge-and-Trap Samples
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