WS Disinfection By-Products - Cal Check 4 Back Catalog number: 93986 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94223 Volatile Standard Price on request 676238 Chlorpropham, 100 µg/ml, Acetonitrile, 1ml Price on request 0002.12-K-IO Acenaphthylene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 208-96-8 Price on request