4,4’-Diamino-3,3’-dimethyldiphenylmethane Back Catalog number: 71378 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674960 Profenofos, 10.0 µg/ml, Cyclohexane, 10ml Price on request M326035 6a-Methyl Prednisone 21-Acetate, 5mg Price on request 679267 Butylparaben, 100mg Price on request