Low Level Hexavalent Chromium Back Catalog number: 55198 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2787.15-100-AN 3,3'-Dimethyl-4,4'-diaminodiphenylmethane,100 µg/mL,acetonitrile,1mL, Price on request 2621.32-10UG 17ß(H),21ß(H)-(22RS)-Bishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 54311-28-5 Price on request 10006 CLP Semi-Volatiles - Benzidines Price on request