4,4'-DDT, 100 µg/ml, Methanol, 1ml Back Catalog number: 679461 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1899.17-25MG Norcodeine hydrochloride, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 14648-14-7 Price on request PCN-TOX PCN Potentially Toxic Congeners Solution/Mixture, 1.2ml, nonane Price on request 70332 4-Aminobiphenyl Price on request