4,4’-Diamino-3,3’-dimethyldiphenylmethane Back Catalog number: 71378 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674615 D7-Benzyldimethyldodecylammonium chloride, 10mg Price on request M10007B pH 7.01 buffer solution (box of 25x20mL sachet) Price on request T898210 Tylvalosin, 1mg Price on request