Drinking Water Standards Kit Back Catalog number: 53074 Manufacturer: ABSOLUTE STANDARDS 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 3474.6-100 Pentachloronitrobenzene, 100ug/ml, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 82-68-8 Price on request 8474.14-10MG 2-(4-Carboxyphenyl)-1H-benzimidazole, neat, Solvent-neat, Unit 10MG, # of units-20, Cas.no. 66631-29-6 Price on request