Benzidine Back Catalog number: 70027 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0472.18-200-T 1,2,3,4-Tetramethylanthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 66553-01-3 Price on request 59519 Metals Mix Price on request 96435 SDWA Carbon disulfide, MIBK, Naphthalene Cal 3 Price on request