4-Nitropyrene Back Catalog number: 73264 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50743 Copper (Cu) Price on request 9435.17 Butachlor, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 23184-66-9 Price on request 94990 PCB Congeners Price on request