WS Disinfection By-Products - Cal Check 3 Back Catalog number: 93985 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677894 Mevinphos, 100 µg/ml, Ethyl acetate, 1ml Price on request 682915 Fluazuron, 100 µg/ml, Acetonitrile, 5ml Price on request 71131 2,3-Dichloroaniline Price on request