Hexavalent Chromium (Cr 6+) Back Catalog number: 56161 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1677.14-K-IO 1,2,13,14-Tetrachlorotetradecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 221155-23-3 Price on request 2540.7-10MG Paraxanthine, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 611-59-6 Price on request 13400-4410-100ME5 Bisphenol B, 100µg/ml in MeOH, 5ml Price on request