Hexavalent Chromium (Cr +6) Back Catalog number: 54175 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2522.8-K-ME 4-Hydroxyphenylacetic acid, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 156-38-7 Price on request 72345 1-(3,5-Dichlorophenyl)urea Price on request 11735.12-100-IO 2,2',3,3',5,5'-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request