WS Disinfection By-Products - Cal Check 4 Back Catalog number: 93986 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9270.29-K-MEX5 (2R)-?-Tocopherol-d6 (5,7-di(methyl-d3)),1000 µg/mL,MeOH,1mL Price on request 18000-0304-100AN5 Diclofenac (free acid), 100µg/ml in AL, 5ml Price on request 681465 2,3,5,6-Tetrachlorophenol, 100 µg/ml, Cyclohexane Price on request