Benzidine, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 679880 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 675601 Vamidothion, 100 µg/ml, Ethyl acetate, 5ml Price on request 96106 Semi-Volatile Standard Price on request 677134 5-Hydroxyflunixin, 10mg Price on request