WS Disinfection By-Products - Cal Check 3 Back Catalog number: 93985 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4035-10K-10IO Diphenylsulfide in isooctane, Blank Units: 5x1mL ampoules Price on request 9067.8-K-IP 5,6-Dichlorovanillin , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 18268-69-4 Price on request 9772.7-K-ME 3-Methyl-1-butyl acetate,1000 µg/mL,MeOH,1mL Price on request