Certified reference materials (CRMs) manufactured and QC-tested in ISO-accredited labs satisfy your ISO requirements.
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Catalog #CompoundUnits
30026
1-Bromo-4-fluorobenzene (BFB)
ea.
30032
1,4-Difluorobenzene
ea.
30030
Fluorobenzene
ea.
30048
α,α,α-Trifluorotoluene
ea.