4,4’-Diamino-3,3’-dimethyldiphenylmethane Back Catalog number: 94750 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2037.8-50-ME Perfluorooctane sulfonic acid , 50ug/ml, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1763-23-1 Price on request 15900-4560-100AN5 Tebutam, 100µg/ml in Acetonitrile, 5ml Price on request 674503 PSA-GCB-Mix 14 Price on request