4,4’-Diamino-3,3’-dimethyldiphenylmethane Back Catalog number: 71378 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52060 LPC Solution Set- Method 200.7 section 7.8 Price on request 91951 Paraquat Price on request 9244.8-10MG Acetaminophene-d3 (Paracetamol-d3), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 60902-28-5 Price on request