3,3'-Dimethylbenzidine, 100mg Back Catalog number: 676729 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 90814 Hydrocarbon Standard C6-C28, 2000µg/ml, MeChl, 1ml Price on request 8707.12-5MG 2,2',3,4',5,5',6-Heptachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 52663-68-0 Price on request 677840 Nafronyl oxalate salt, 250mg Price on request