Isoproturon, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 673333 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended C10861290 1,2-Butanediol, certified, 0.25g Price on request 98646 California Gas Additive Standard Price on request 0032.22-10UG (5)Helicene, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 188-52-3 Price on request