WS Disinfection By-Products - Cal Check 4 Back Catalog number: 93986 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679894 4-Chloro-3-methylphenol, 100 µg/ml, Acetonitrile, Price on request 8831-K-IO Natural alkyl pyrazines, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 9849.4-1G Succinic semialdehyde, neat, Solvent-neat, Unit 1G, # of units-1, Cas.no. 692-29-5 Price on request