Benzidine Back Catalog number: 94737 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C12197600 2,4-Diaminotoluene, 250mg Price on request 3463.12-100 Nitrofen, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1836-75-5 Price on request 2904.12-100-IO 2,4,4',5-Tetrachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 32690-93-0 Price on request