3,3´-Dimethoxybenzidine, certified, 0.1g Back Catalog number: C12721000 Availability: In the manufacturer's stock Price on request - + Recommended 38169 RCRA Oxygenates Price on request 8721.22-K-IO Di-n-heptyl phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3648-21-3 Price on request 95665 Internal Standard Price on request