Pyrene Back Catalog number: 79038 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679454 Chlorfenvinphos, 100 µg/ml, Methanol, 1ml Price on request 677166 Tetra-n-butyltin, 250mg Price on request 8352.14 Glyoxal di-2,4-dinitrophenylhydrazone, Please inquire, Solvent-, Unit , # of units-, Cas.no. Price on request