Hexavalent Chromium (Cr +6) Back Catalog number: 50739 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2253.7-5K-ME Toluene-d8, 5000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2037-26-5 Price on request V634510 Violaxanthin (Mixture of Diastereomers), 1mg Price on request S-4573-200-T Custom PAH Mixture 200µg/mL each in toluene 0712.11 1-Methylnaphthalene 0722.12 1,2-Dimethylnaphthalene 0706.13 2,3,5-Trimethylnaphthalene 0707.14 1,4,6,7-Tetramethylnaphthalene 0350.14 1-Methylfluorene 0908.15 1,7-Dimethylfluorene 1694.16 9-n-Propy Price on request