... : USP32,GMP certificate Pale yellow to tan, crystalline powder Oxytetracycline--- Broad-spectrum antibiotics Other Name: Terramycin, 5-HydroxytetracyclineMolecular Formular: C22H24N2O9Molecular Weight: 460 ... .44CAS NO: 79-57-2Specification:Packing: 25KG/DrumUsage: Broad-spectrum antibiotics for animals. veterinary medicine. Oxytetracycline/Oxytetracycline hydrochloride/terramycin