Benzidine Back Catalog number: 70027 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675767 Isazofos, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 9968.16 2-n-Propylacridine, Please inquire, Solvent-, Unit , # of units-, Cas.no. Price on request 8480.10-K-IPX5 2-Naphthol-d7, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 78832-54-9 Price on request