Benzidine, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 679880 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended XA14410000IO Isodrin, 100 µg/ml in Isooctane, 1ml Price on request 57326 Iron (Fe) Price on request 679795 Difloxacin hydrochloride, 100 µg/ml, Methanol, 1 Price on request