Hexavalent Chromium (Cr +6) Back Catalog number: 54172 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9279.23-100-ME Pravastatin sodium, 100µg acid/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 81131-70-6 Price on request 3221.19-K-IO 10-trans-Nonadecenoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147527-21-7 Price on request 10507.7-K-ME Methylhexanamine hydrochloride,1000 µg base/mL,MeOH,1mL, Price on request