114-07-8 Erythromycin C37H67NO13
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Erythromycin is antibiotic medicines, for gastro-intestinal infections, mainly used to treat gastrointestinal infections caused by Gram-negative bacteria,such as E. coli, Salmonella, Pasteurella, Clostridium. Local agents against staphylococci and Gram-negative bacteria causing skin, eye and ear infections and endometritis have good effects.
Product | Erythromycin Base | |
Shelf Life | 3 years | |
Test Items | Specification | Results |
Characteristics | White,crystalline powder | White,crystalline powder |
Identification | To comply | Complies |
TESTS | ||
Specific optical rotation | -71°-78° | -74° |
Related substances | To comply | Complies |
Any impurity | <3.0% | 2.7% |
Total impurity | <7.0% | 5.9% |
Thiocyanate | <0.3% | Complies |
Water | <6.5%w/w | 4.3%w/w |
Sulphated ash | <0.2%w/w | Complies |
ASSAY (anhydrous substance) | 93.0%~102.0% | 98.2% |
Erythromycin B | <5.0% | 2.8% |
Ervthromvcin C | <5.0% | 3.3% |
Conclusion: Product complies with EP6.0. |
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