Erythromycin Base CAS 114-07-8

Erythromycin Base CAS 114-07-8

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Product Details

 

Product name:
Erythromycin
Molecular Formula
C37H67NO13 
Molecular Structure
mtxx09
Molecular Weight:733.94
CAS No.: 
114-07-8     


Description

Erythromycin is a white or slightly yellow powder or colourless or slightly yellow crystals, slightly hygroscopic. It is slightly soluble in water (the solubility decreases as the temperature rises), freely  soluble in ethanol (96 per cent), soluble in methanol.

 

Application

Erythromycin is a commonly used macrolide antibiotic. It is mainly used in penicillin allergic patients, penicillin-resistant Staphylococcus aureus infection, streptococcus, pneumococcus infection and diphtheria carriers.

 

Specification

Appearance
White or almost white, hygroscopic powder.
Specific optical rotation
-71° to -78°
Thiocyanate     
≤0.3%
Erythromycin B
≤5.0%
Erythromycin C
≤5.0%
Water 
≤6.5%
Sulfated ash
≤0.2%
Any impurity 
≤3.0%
Total impurity
≤7.0%
Assay
93.0%-102.0%


Packing and Storage

Preserve in tight container.

 

Minimum Order

One package

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