Heptachlor epoxide Back Catalog number: 79301 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71473 2,2’-Thiodiethanol Price on request M10030B 12.880 µS/cm conductivity solution (box of 25x20mL sachet) Price on request 8748.12-50-IO 4-Bromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 101-55-3 Price on request