gamma-HCH, 10.0 µg/ml, Cyclohexane, 10ml Back Catalog number: 673956 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended SC-257307A Di-n-butyl phthalate, >99%, 25g Price on request 676197 Foramsulfuron, 10.0 µg/ml, Acetonitrile, 10ml Price on request SC-492213 4'-Aminoazobenzene-4-sulphonic acid, 1g Price on request