COD Calibration Standard Back Catalog number: 50255 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674578 Hexachlorophene, 250mg Price on request 682400 2-Chlorobenzoic acid, 1000mg Price on request 0424.32-10MG Cerin acetate, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 17947-01-2 Price on request