Clarithromycin
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Product Name |
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Synonyms |
6-O-metkylerythromycin ； Biaxin； Clarosip； Clathromycin；Cyllind ；Klacid； Klar-icid；Macladin; Naxy; Veclam；Zeciar |
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CAS |
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Molecular formula |
C38H69NO13 |
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Molecular Weight |
747.96 |
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Molecular Structure |
 |
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Physical and Chemical Properties |
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General Description |
White crystalline powder or colorless needle crystal |
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Usage |
It is a large cyclolactone antibiotic used for treatment, lower respiratory tract infection, subcutaneous soft tissue infection, etc. |
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Packing |
25KGS/PAPER DRUM or as your require |
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storage |
-20°C |
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Specifications |
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Items |
Standard |
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CHARACTERS |
WHITE OR ALMOST WHITE CRYSTALLIE POWDER |
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PRACTICALLY INSOLUBLE IN WATER, SOLUBLE IN ACETONE AND INMETHYLENE CHLORIDE, SLIGHTLY SOLUBLE IN METHANOL |
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IDENTIFICATION |
IR: CONFORMS TO THE CLARITHROMYCIN CRS SPECTRUM |
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SPECIFIC ROTATION |
-89°~-95° (ANHYDROUS SUBSTANCE 10MG/ML CHLOROFORM) | ||||
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CRYSTALLINITY |
MEETS THE REQUYIREMENTS | ||||
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PH |
7.5~10.0 [1G/500ML WATER-METHANOL (19:1) ] |
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WATER |
≤2.0% |
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RESIDUE ON IGNITION |
≤0.3% |
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HEAVY METALS |
≤0.002% |
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RESIDUAL SOLVENTS |
ETHANOL ≤5000PPM |
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ASSAY |
96.0%~102.0% (ANHYDROUS SUBSTANCE) |
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CONCLUSION: CONFORMS TO USP28 SPECIFICATION FOR CLARITHROMYCIN. |
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