3,3’-Dimethylbenzidine Back Catalog number: 94729 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59612 IC Anions Cal Std - COA Level 4 Price on request 682369 Tolpyralate, 100 µg/ml, Acetonitrile, 1ml Price on request 93971 EPA Method 525 Surrogate Standard Price on request