Pyrene Back Catalog number: 94004 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C14913000 Mesityloxide, certified, 0.25g Price on request 2074.6-K-IP 2,3,5,6-Tetrachlorophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 935-95-5 Price on request 1839.9-1G 4-Ethylbenzoic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 619-64-7 Price on request