3,3'-Dichlorobenzidine, 100mg Back Catalog number: 677184 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 93751 Sucrose Level 4 Price on request 677397 Tris(2-chloroisopropyl)phosphate, 250mg Price on request 38086 Total Water Supply Kit (EPA) Price on request