4,4’-Diamino-3,3’-dimethyldiphenylmethane Back Catalog number: 71378 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2942.9-100-NN beta-Endosulfan-d4 (1,1,5,5-d4),100 µg/mL,n-nonane,1mL, Price on request 66065 2,3,5,6-Tetrachlorobiphenyl (65) Price on request 10556.12-1ML tert-Dodecylthiol (isomer mix.) Price on request