4,4’-Diamino-3,3’-dimethyldiphenylmethane Back Catalog number: 94728 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71850 2-Methylthiophene Price on request 673512 Chlorpyrifos-methyl, 100 µg/ml, Ethyl acetate, 5 Price on request VHG-SDSL-15-100 Sulfur, 15µg/g (0.0015 wt%) in Diesel Fuel, 100ml Price on request