PAH Standard Back Catalog number: 92581 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2431.6-K-IPX5 2-Nitrophenol-3,4,5,6-d4, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 93951-78-1 Price on request 681884 Chloroneb, 100 µg/ml, Ethyl acetate, 5ml Price on request 50093 Hexavalent Chromium (Cr +6) Price on request