4,4´-Diamino-3,3´-dimethyldiphenyl methane, certified, 0.1g Back Catalog number: C12194800 Availability: In the manufacturer's stock Price on request - + Recommended 96575 Coprostan-3-ol Price on request 50674 ICP Mix #2 Price on request 71327 2,2-Dimethylbutane Price on request