Hexavalent Chromium (Cr +6) Back Catalog number: 54175 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9280.16-K-ME DL-Propranolol hydrochloride, 1000µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 318-98-9 Price on request 1809.16-K-IO 1,8-Bis(hydroxymethyl)anthracene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 34824-20-9 Price on request 0888.13-500-IO 2-Methyldiphenylsulfide, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 13963-35-4 Price on request