WS Disinfection By-Products - Cal Check 3 Back Catalog number: 93985 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9164 Aroclor 1254 Price on request 8583.2 Methyl isothiocyanate, , Solvent-, Unit , # of units-, Cas.no. 556-61-6 Price on request 678394 Diphenylamine, 100 µg/ml, Acetonitrile, 1ml Price on request