Hexavalent Chromium (Cr +6) Back Catalog number: 54175 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended (-)GHBCD (-)-γ-1S,2S,5S,6R,9R,10S-Hexabromocyclododecane, 1.2ml x 50ug/ml, toluene Price on request 9428.12-100-CY Endrin aldehyde, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 7421-93-4 Price on request 91297 EPA Method 525.2 - 526 Internal Standard Price on request