4,4´-Diamino-3,3´-dimethyldiphenyl methane, certified, 0.1g Back Catalog number: C12194800 Availability: In the manufacturer's stock Price on request - + Recommended 1293.20-10MG 9,10-Dihydrobenzo[a]pyren-7(8H)-one, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 3331-46-2 Price on request 90512 WP - Volatile Halocarbons - Cal Check Price on request P-468S-CN Thifensulfuron methyl, 100μg/mL in Acetonitrile, 1ml Price on request