3,3´-Dichlorobenzidine, 100mg Back Catalog number: C12377900 Manufacturer: DR. EHRENSTORFER Availability: In the manufacturer's stock Price on request - + Recommended EPA-8290HRCC1-5 EPA Method 8290 Calibration Kit, 5 ampoules, nonane Price on request 72134 Cyanocobalamin Price on request 676113 2,4-DB, 250mg Price on request