| Product name: | Erythromycin |
| Molecular Formula： | C37H67NO13 |
| Molecular Structure： |  |
| Molecular Weight: | 733.94 |
| CAS No.: | 114-07-8 |
Description
Erythromycin is a white or slightly yellow powder or colourless or slightly yellow crystals, slightly hygroscopic. It is slightly soluble in water (the solubility decreases as the temperature rises), freely soluble in ethanol (96 per cent), soluble in methanol.
Application
Erythromycin is a commonly used macrolide antibiotic. It is mainly used in penicillin allergic patients, penicillin-resistant Staphylococcus aureus infection, streptococcus, pneumococcus infection and diphtheria carriers.
Specification
| Appearance | White or almost white, hygroscopic powder. |
| Specific optical rotation | -71° to -78° |
| Thiocyanate | ≤0.3% |
| Erythromycin B | ≤5.0% |
| Erythromycin C | ≤5.0% |
| Water | ≤6.5% |
| Sulfated ash | ≤0.2% |
| Any impurity | ≤3.0% |
| Total impurity | ≤7.0% |
| Assay | 93.0%-102.0% |
Packing and Storage
Preserve in tight container.
Minimum Order
One package
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