3,3´-Dimethoxybenzidine, certified, 0.1g Back Catalog number: C12721000 Availability: In the manufacturer's stock Price on request - + Recommended 10204.9-K-ME Ethyl 4-hydroxybenzoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 120-47-8 Price on request 679748 Erythromycin, 100 µg/ml, Methanol, 5ml Price on request 2293.9-1G Trimellitic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 528-44-9 Price on request