Heptachlor Back Catalog number: 79300 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95472 Phenols Mix Price on request 8980.10-100-AN Bromophos ethyl, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 4824-78-6 Price on request 0956.11-K-IO 2,5,7-Trimethylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16587-65-8 Price on request