4,4’-Diamino-3,3’-dimethyldiphenylmethane Back Catalog number: 94750 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680418 L-Methionine, 100mg Price on request 71634 Fenbutatin-oxide Price on request 676543 Bis(2-ethylhexyl) phthalate, 2000 µg/ml, Acetone, Price on request