Heptachlor epoxide Back Catalog number: 79050 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66171 2,2',3,3',4,4',6-Heptachlorobiphenyl (171) Price on request 50701A IC Standard 1C Price on request 79272 2,6-Diaminotoluene Price on request