 |
| Menge: | |
|---|---|
DY4419
114-07-8
204-040-1
C37H67NO13
erythromycin
| Index Name | Specifications |
| Appearance | White，crystalline powder |
| Identification | To comply |
| Specific optical rotation | -71 to -78degC |
| Any single impurity | 3.0% Max |
| Total impurity | 7.0% Max |
| Thiocyanate | 0.3% Max |
| Water | 6.5% w/w Max |
| Sulphated ash | 0.2% w/w Max |
| Assay( anhydrous substance) | 93.0% to 102.0% |
| Erythromycin B | 5.0% Max |
| Erythromycin C | 5.0% Max |