Chlorpyrifos, 1000µg/ml in Hexane 1ml Back Catalog number: 81403 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678257 15N3-Atrazine-desethyl, 100 µg/ml, Acetonitrile, Price on request 675765 Iodofenphos, 10.0 µg/ml, Ethyl acetate, 10ml Price on request M23-B-78-CDF 2,3-Dibromo-7,8-dichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene Price on request