CAS number： 37321-09-8
Molecular formula： C21H41N5O11
molecular weight： 539.58
Chemical structure：
| Product Name: | Apramycin Sulfate | ||
| Shelf Life: | 2 years | ||
| Specification: | BP2011 | ||
| ITEMS | LIMITED | RESULTS | CONCLUSION |
| DESCRIPTION | A LIGHT BROWN POWDER OR GRANULAR MATERIAL HYGROSCOPIC | A LIGHT BROWN POWDER HYDROSCOPIC | QUALIFIED |
| Identification | A:TLC | QUALIFIED | QUALIFIED |
| B:HPLC | QUALIFIED | QUALIFIED | |
| C:YIELDS REACTION A CHARACTERISTIC OF SULPHATES | QUALIFIED | QUALIFIED | |
| Tests | |||
| Sulphate | 26.0 tp 33.0% of SO4, calculated with reference to the anhydrous substance | 27.1% | QUALIFIED |
| Caesulomycin and dipyridyl derivatives | 3-hydroxyapramycin ≤7% | ＜7% | QUALIFIED |
| lividamine 2-deoxystreptamine ≤5% | ＜5% | QUALIFIED | |
| compound A≤2% | ＜2% | QUALIFIED | |
| compound B≤2% | ＜2% | QUALIFIED | |
| any other substance≤2% | ＜2% | QUALIFIED | |
| sum of any other sunstances ≤15% | ＜15% | QUALIFIED | |
| Sulfated Ash | ≤1.0% | 0.1% | QUALIFIED |
| Water | ≤10% | 6% | QUALIFIED |
| Assay | The potency is not less than 450 Units per mg.calculated with reference to the anhydrous substance. | 601UG/MG | QUALIFIED |
