WS Disinfection By-Products - Cal Check 4 Back Catalog number: 93986 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71870 Bifenthrin, 1000µg/ml in Hexane, 1ml Price on request 83590 Chloramben Price on request 2545.14-500MG (+/-)Atenolol, neat, Solvent-neat, Unit 500mg, # of units-1, Cas.no. 29122-68-7 Price on request