WS Disinfection By-Products - Cal Check 3 Back Catalog number: 93985 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79308 Etridiazole Price on request 71529 Methyl butyrate Price on request 2764.12-1ML 4,4'-Diaminodiphenyl ether, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 101-80-4 Price on request