Heptachlor Back Catalog number: 79300 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C16284000 Ponceau 4RC (E124), certified, 0.1g Price on request 676693 Dimethenamid, 100 µg/ml, Methanol, 1ml Price on request 73580 Ethyl vanillin Price on request