3,3’-Dimethylbenzidine Back Catalog number: 94729 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 683677 PCB 209, 100 µg/ml, Isooctane, 5ml Price on request 55023 WS Residual Free Chlorine Price on request 674688 PSA-Mix 1 Price on request