Heptachlor Back Catalog number: 70192 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 685352 D5-threo-Chloramphenicol, 100µg/ml, Acetonitrile, 1ml Price on request 3096.12-50-IO 4,4'-Dibromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 92-86-4 Price on request 56247 Silver (Ag) Price on request