4,4’-Diamino-3,3’-dimethyldiphenylmethane Back Catalog number: 98529 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50462 Copper AA Standard (Cu) Price on request 73318 Methyl 7,10,13,16,19-docosapentaenoate (C22:5n-3) Price on request 95394 n-Hydrocarbon Mix C8 - C40, 2000µg/ml in MeCl2 : CS2 [3:1], 1ml Price on request