WS Disinfection By-Products - Cal Check 4 Back Catalog number: 93986 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72043 Bromomethane-d3 Price on request 70274 1,2,4,5-Tetrachlorobenzene, 1000µg/ml in MeOH, 1ml Price on request 675751 Dicrotophos, 10.0 µg/ml, Ethyl acetate, 10ml Price on request