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 . | ||
