4,4’-Diamino-3,3’-dimethyldiphenylmethane Back Catalog number: 94728 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3767.29-100-HX Stigmasterol, 100µg/mL, Solvent-n-hexane, Unit 1mL, # of units-1, Cas.no. 83-48-7 Price on request 2193.8-50-ME Perfluorooctane sulfonic acid, potassium salt,50 µg/mL,MeOH,1mL, Price on request 96901 PCB Congeners Price on request