3,3’-Dimethoxybenzidine Back Catalog number: 94752 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679206 tert-Butyl methyl ether, 10 µg/ml, Methanol, 10m Price on request 96552 (+)-Norpropoxyphene.maleate Price on request 675244 Paraoxon-methyl, 100 µg/ml, Acetonitrile, 5ml Price on request