4-Nitropyrene Back Catalog number: 73264 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3935.3-1ML 1,2-Dichloropropane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 78-87-5 Price on request 1796.12-1G Di-n-hexyldisulfide, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 10496-15-8 Price on request 51064 ASTM D-4815 Calibration Mix #1 Price on request