Heptachlor, 1000µg/ml in Hexane, 1ml Back Catalog number: 79022 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10683.12-100-IO 2,3',4,6-Tetrachlorobiphenyl Price on request 62004 Acid Extractables Price on request CLM-7531-1.2 Endosulfan sulfate (13C9), 100µg/mL in Nonane, 1,2 Price on request