Pyrene Back Catalog number: 90981 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3347.14-100 Coumaphos, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 56-72-4 Price on request 92389 2,3,4,6-Tetrachlorophenol Price on request 57258 Cerium (Ce) Price on request