Heptachlor epoxide (Isomer B), 50mg Back Catalog number: N-12148-50MG Availability: In the manufacturer's stock Price on request - + Recommended 674714 PSA-C18-Mix 1 Price on request 54206 Iodate Price on request 1531.22-K-TX5 Indeno[1,2,3-cd]pyrene-d12, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 203578-33-0 Price on request