Inorganic Disinfection By-Products Back Catalog number: 52105 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678043 4-Ethylcatechol, 100 µg/ml, Methanol, 10ml Price on request 1958.12-100-IO Decafluorobiphenyl Price on request 81403 Chlorpyrifos, 1000µg/ml in Hexane 1ml Price on request