CAS number: 21736-83-4
Molecular formula: C14H24N2O7
molecular weight: 332.3496
Chemical structure:
Product Name | Spectinomycin Hydrochloride | |
Shelf Life | 3 years | |
Items | Specifications | Results |
Characters | ||
Appearance | A White or almost white powder | White powder |
Solubility | Freely soluble in water,very slightly soluble in ethanol (96% ) | Conform |
Identification | A.Infrared absorption spectrophotometry | Conform |
B.Give reaction (a) of chlorides | Conform | |
Appearance of Solution | The solution is clear | Conform |
The solution is colorless | Conform | |
PH | 3.8 ∽ 5.6 | 4.8 |
Specific Optical Rotation | +15 °∽ +21 ° | +18° |
Water | 16 .0 % ∽ 20.0 % | 18.1 % |
Sulfated Ash | Maximum 1.0% | 0. 2% |
Related Substances | Maximum 1.0% | Less than 1.0% |
Assay(based on anhydrous substance, by GC ) | 95.0% ∽ 100 .5 % of C 14 H 24 N 2 O 7 .2 HCL | 96.1% |
Assay(based on hydrous substance, by GC) | ------ | 78.69% |
Potency ( based on hydrous substance , by GC) | ------ | 645IU/mg |
Conclusion: The above test results comply with EP5.0 . |