3,3’-Dimethylbenzidine Back Catalog number: X9086 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93886 8260B Purgeable Internal Standard Price on request 70977 n-Pentacosane Price on request 66123 2',3,4,4',5-Pentachlorobiphenyl (123) Price on request