PAH Standard Back Catalog number: 96770 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C12194800 4,4´-Diamino-3,3´-dimethyldiphenyl methane, certified, 0.1g Price on request 9071.6-K-IP 3,4,6-Trichlorocatechol , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 32139-72-3 Price on request 35941 Methomyl Price on request