4,4’-Diamino-3,3’-dimethyldiphenylmethane Back Catalog number: 71378 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676773 4,4'-Diaminodiphenyl sulfide, 250mg Price on request 80412 EPA Method 8040A Analytes Mix “B” Price on request UFA-023S Methyl cis-11,14,17-eicosatrienoate C20:3, 10mg/ml in Heptane, 1ml Price on request