3,3´-Dimethoxybenzidine, certified, 0.1g Back Catalog number: C12721000 Availability: In the manufacturer's stock Price on request - + Recommended 12062.4-K-AN N-Ethyl-N-(2-hydroxyethyl)nitrosamine,1000 µg/mL,acetonitrile,1mL Price on request 71206 Propetamphos Price on request S-4700-100-T Addition to Norwegian Standard (NS 9815) 100µg/ml in toluene 0244.24 Dibenzo[a,e]pyrene 100µg/ml 0242.24 Dibenzo[a,h]pyrene 100µg/ml 0241.24 Dibenzo[a,i]pyrene 100µg/ml 0001.18 Triphenylene 100µ Price on request