Metals Mix Back Catalog number: 50748 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2432.6-K-IPX5 4-Nitrophenol-2,3,5,6-d4, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 93951-79-2 Price on request 2918.8-100-AN Atrazine-d5 (ethyl-d5),100 µg/mL,acetonitrile,1mL, Price on request 0262.20-200-T Benzo[a]fluoranthene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 203-33-8 Price on request