Chlorpyrifos, 1000µg/ml in Hexane 1ml Back Catalog number: 81403 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680005 5-Ethyl-2-methylpyridine, 250mg Price on request 673207 Azinphos-methyl, 100 µg/ml, Acetonitrile, 5ml Price on request 673267 Disulfoton-sulfone, 100 µg/ml, Acetonitrile, 5ml Price on request