WS Disinfection By-Products - Cal Check 2 Back Catalog number: 93984 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674588 Fenthion-oxon-sulfone, 10.0 µg/ml, Acetonitrile, Price on request GLC-569-C GLC Reference standard 569-C, 100mg Price on request 98133 Dimethylaniline Standard Price on request