Pyrene Back Catalog number: 90981 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71514 Octamethylcyclotetrasiloxane Price on request 30110 2,4-Dichlorophenol Price on request 0038.28-1MG Diphenanthro[9,10-b;9',10'-d]thiophene, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 202-72-2 Price on request