Heptachlor Back Catalog number: 79167 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 91759A CLP - Semi-Volatile Base/Neutral Standard Price on request 2272.4-2K-ME Ethyl ether, 2000µg/mL, Solvent-Methanol, Unit 1mL, # of units-1, Cas.no. 60-29-7 Price on request 3256.15-K-IO Methyl 9-cis-tetradecenoate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 56219-06-8 Price on request