WS Disinfection By-Products - Cal Check 3 Back Catalog number: 93985 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673895 Bentazone, 250mg Price on request 2747.6-K-IP 2-Amino-5-nitrophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 121-88-0 Price on request 678980 Dibutyl phthalate, 500mg Price on request