Benzidine Back Catalog number: 70027 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1972.12-100-IO 2,2',4,4',5,6'-Hexabromodiphenyl ether,100 µg/mL,isooctane,1mL, Price on request 50747 Fluoride in Water (F-) Price on request 8931.16-100-ME Iomeprol, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 78649-41-9 Price on request