4-Nitrophenol Back Catalog number: 83535 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675996 Paraoxon-methyl, 100 µg/ml, Toluene, 5ml Price on request 2227.18-10MG 1-Fluoro-4-hydroxychrysene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. Price on request 679449 Heptachlor-exo-epoxide, 100 µg/ml, Methanol, 1ml Price on request