Heptachlor, 1000µg/ml in Hexane, 1ml Back Catalog number: 79022 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66126 3,3',4,4',5-Pentachlorobiphenyl (126) Price on request ACQ-AQ03-115 Ethanol standard in water,0.3g/L,water, 1.5mL Price on request 677923 Pyrethrins, 10 µg/ml, Ethyl acetate, 10ml Price on request