Hexavalent Chromium (Cr 6+) Back Catalog number: 56161 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54504 Nitrite (NO2-) as N Price on request 0220.20-200-T Perylene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 198-55-0 Price on request 9418.17-5MG Venlafaxine-d6 hydrochloride (N,N-dimethyl-d6), neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 1062606-12-5 Price on request