Heptachlor epoxide Back Catalog number: 72764 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 1021.20-250MG n-Eicosane-d42,neat,neat,250mg, Price on request 1540.12-K-TX10 4-Aminobiphenyl-d9, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 344298-96-0 Price on request 3276.20-K-IO Methyl 10-cis-nonadecenoate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 19788-74-0 Price on request