WS Disinfection By-Products - Cal Check 1 Back Catalog number: 92894 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9345.8-10MG 4-Chloro-3,5-dimethylphenol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 88-04-0 Price on request 73260 Promethazine Price on request D479975 2,4-Dinitrophenylhydrazine, 98%, 25g Price on request