WS Disinfection By-Products - Cal Check 4 Back Catalog number: 93986 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2084.6-K-IP Pentachlorophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 87-86-5 Price on request 93854 Organophosphorous Pesticides Price on request 677331 Triclopyr-2-butoxyethyl ester, 100 µg/ml, Acetoni Price on request