WS Disinfection By-Products - Cal Check 2 Back Catalog number: 93984 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676696 Pendimethalin, 100 µg/ml, Acetone, 1ml Price on request 3357.14-100-DC 2,4'-DDD (=TDE), 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 53-19-0 Price on request 10270.15-25-AN Verrucarol, 25µg/ml in Acetonitrile, 1ml Price on request