3,3´-Dimethoxybenzidine, certified, 0.1g Back Catalog number: C12721000 Availability: In the manufacturer's stock Price on request - + Recommended M325898 5-Methyl-N-phenyl-2-1H-pyridone-d5(Pirfenidone-d5), 1mg Price on request EPA-8290STN Native Stock PCDDs and PCDFs, 1.2ml, nonane Price on request 72056 n-Dodecane-d26 Price on request