Proquinazid, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 675248 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 11907.20-100MG Fluorescein disodium salt dihydrate, 90%,neat,neat,100mg, Price on request 97054 Aromatic EPH Standard Price on request L178540 DL-Laudanosine, 10mg Price on request