Benzidine Back Catalog number: 94759 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8512.8-500MG 2,4-Dimethylolphenol, neat, Solvent-neat, Unit 500mg, # of units-, Cas.no. 2937-60-2 Price on request 59344 Perchlorate (ClO4-), 100µg/mL in Water, 100ml Price on request 70227 4-Nitroaniline Price on request