Heptachlor epoxide Back Catalog number: X9112 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 82418 2-Chloroethyl vinyl ether Price on request 3193.23-K-IO Ethyl heneicosanoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 28898-67-1 Price on request 94724 4,4’-Thiodianiline Price on request