4,4’-Diamino-3,3’-dimethyldiphenylmethane Back Catalog number: 98529 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94024 LS 1383Mix #2 Price on request 73602 Oxytetracycline Price on request 1942.8-1ML N,O-Bis(trimethylsilyl)acetamide, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 10416-59-8 Price on request