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Erythromycin
Chemical Name | ：Erythromycin |
Category | ：Antibiotic |
Specification | ：EP/USP |
HS Code | ：29415000.00 |
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Structure Formula | ： |
CAS Number | ：114-07-8 |
Molecular Formula | ：C37H67NO13 |
Usage | ：In clinical, Progesterone is mainly used in streptococcus pneumoniae caused by tonsillitis, scarlet fever, diphtheria and carrier, gonorrhea, listeria, streptococcus pneumoniae lower respiratory tract infections（The above applies to patients not resistant to penicillin）. For legionella pneumonia and mycoplasma pneumonia, this product can be used as the preferred drug application. It can an also be applied to the upper respiratory tract infection caused by influenza bacillus and staphylococcus aureus skin and soft tissue infection, syphilis, and intestinal amebiasis. |
Items | Standard |
|---|---|
Appearance | White or slight yellow powder or colorless of slight yellow crystals |
IR Identification | Infrared spectrum is concordant with that of the reference standard |
Specific optical rotation | -71~-78°(anhydrous substance) |
Related material | Impurity A ≤3.0% Impurity B ≤3.0% Impurity C ≤3.0% Impurity D ≤3.0% Impurity E ≤3.0% Impurity F ≤3.0% Any other impurity ≤0.5% Total impuroties ≤7.0% |
Thiocyanate | ≤0.3% |
Water | ≤0.3% |
Sulfate ash | ≤0.2% |
Assay Erythromycin B Erythromycin C Erythromycin (A+B+C) | ≤5.0% ≤5.0% 93.0%~102.0% |
Residual solvents Methylene chloride | ≤600ppm |
Microbial limit Total Aerobic Microbial Count Total Yeast /Mold Count | ≤cfu10m³/g ≤cfu10² /g |
Items | Standard |
|---|---|
Appearance | White or slight yellow powder or colorless of slight yellow crystals |
IR Identification | Infrared spectrum is concordant with that of the reference standard |
Specific optical rotation | -71~-78°(anhydrous substance) |
Related material | Impurity A ≤3.0% Impurity B ≤3.0% Impurity C ≤3.0% Impurity D ≤3.0% Impurity E ≤3.0% Impurity F ≤3.0% Any other impurity ≤0.5% Total impuroties ≤7.0% |
Thiocyanate | ≤0.3% |
Water | ≤0.3% |
Sulfate ash | ≤0.2% |
Assay Erythromycin B Erythromycin C Erythromycin (A+B+C) | ≤5.0% ≤5.0% 93.0%~102.0% |
Residual solvents Methylene chloride | ≤600ppm |
Microbial limit Total Aerobic Microbial Count Total Yeast /Mold Count | ≤cfu10m³/g ≤cfu10² /g |
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