4-Nitropyrene Back Catalog number: 73264 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended NK-CVS-J PCDD & PCDF Calibration Kit, 6 x 200ul, nonane Price on request 12117.18-K-ME Clofibrate,1000 µg/mL,MeOH,1mL, Price on request 79530 Octyl aldehyde Price on request