USP Organic Volatile Impurities Mix (High Conc)

4,5,6-Trichloroguaiacol , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 2668-24-8

Pyraflufen-ethyl, 10.0 µg/ml, Acetonitrile, 10ml

Heptachlor epoxide (isomer B), 1000µg/ml in MeOH, 1ml