Oxytetracycline Hcl

CAS number: 2058-46-0

Molecular formula: C22H25ClN2O9

molecular weight: 496.8949

Chemical structure:

Name of Product:Oxytetraycline Hcl
Shelf Life:4 years
Specification:BP2011
Test Items
SpecificationResults of Analysis
Appearance
Yellow crystalline powderComplies
SolubilityFreely soluble in water, sparingly soluble in ethanol, solutions in water become turbid on standing, owing to the precipitation of Oxytetracycline.Complies
IdentificationAccording to BP2011Complies
Tests
pH2.3-2.9
2.5
Absorbance270-290271
Specific optical rotation-188° to -200°-190°
Heavy metalsNot more than 50Complies
Light absorbing impuritiesAbsorbance at 430nm shall not be more than 0.500.32
Absorbance at 490nm shall not be more than 0.200.1
Related substances
content of impurity peak meets the requirementsComplies
Sulphatd ashNot more than 0.5%0.09%
WaterNot more than 2.0%1.2%
HPLC Assay95.0%-102.0%96.1%