Atrazine, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 673203 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended USP1645006 Testolactone CIII, 125mg Price on request 96596 (-)-Cotinine Price on request MBP-157 2,3,3',4,4',5'-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request