Heptachlor Back Catalog number: 79167 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 9364.6-100-IO Desethylatrazine-d7, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1216649-31-8 Price on request 97042 SVOC Standard Price on request 91946 Volatile Mix 524.2 Price on request