WS Disinfection By-Products - Cal Check 2 Back Catalog number: 93984 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1038.18-200-T 4,5-Dimethylpyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 15679-25-1 Price on request 15900-3795C-100ME Pentachlorophenol-13C6, 100µg/ml in MeOH, 5ml Price on request 3952.3-100-ME 1,1-Dichloropropene,100 µg/mL,MeOH,1mL, Price on request