Hexavalent Chromium (Cr +6) Back Catalog number: 54172 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 13560-AC5 Siloxanes - Mix 7, 10µg/ml in Acetone, 5ml Price on request 72173 L-Glutamic acid Price on request 1627.8-100-ME Ethyl-ß-D-6-glucuronide-d5, 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request