3,3'-Dimethylbenzidine, 100mg Back Catalog number: 676729 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 677178 Methyltin trichloride, 50mg Price on request 53050 Interference Standard 3 Price on request I0843 Isoproturon, >98%, 5g Price on request