4,4’-Diamino-3,3’-dimethyldiphenylmethane Back Catalog number: 71378 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PCN-CS1,2,3,4,5-A Individual Calibration Solutions , 200uL, nonane Price on request 51191 Biodiesel - B50 Blend Price on request 0049.20-10MG 6-Nitrobenzo[a]pyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 63041-90-7 Price on request