Hexavalent Chromium (Cr 6+) Back Catalog number: 54161 Availability: In the manufacturer's stock Price on request - + Recommended E649890 D(-)-Isoascorbic Acid (Erythorbic Acid), 10g Price on request 2-B-378-CDD 2-Bromo-3,7,8-trichlorodibenzo-p-dioxin (>95%), 1.2ml x 48ug/ml, toluene Price on request 67033 Fermentation Acids Standard Price on request