3,3’-Dimethylbenzidine Back Catalog number: 90898 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 83600 EPA Method 555 Herbicide Standard Price on request 0055.15-10MG 4H-Cyclopenta[def]phenanthren-4-one, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 5737-13-3 Price on request L20920000AL Phenanthrene, 10µg/ml in Acetonitrile, 10ml Price on request