Heptachlor epoxide (Isomer B), 50mg Back Catalog number: N-12148-50MG Availability: In the manufacturer's stock Price on request - + Recommended 92104 WS Regulated Volatiles Amp 1 - Cal Check Price on request 1325.18-10UG Chrysene-trans-3,4-dihydrodiol, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 64920-32-7 Price on request 95250 Aroclor CCV Mix Conc 1 Price on request