Heptachlor Back Catalog number: X9111 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674009 Monuron, 100mg Price on request 678084 Chlorpyrifos-methyl, 100 µg/ml, Acetonitrile, 1m Price on request 675664 Sulfentrazone, 10.0 µg/ml, Ethyl acetate, 10ml Price on request