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 |
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 |
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