Azithromycin CAS 83905-01-5

Azithromycin CAS 83905-01-5

Azithromycin is a second-generation semi-synthetic derivative of macrolides with less side effects than cephalosporin antibiotics. Its antibacterial mechanism is similar to that of erythromycin, but its antibacterial spectrum is broader. It is stable to acid and has good tolerance. It has a good therapeutic effect on respiratory infections, skin and soft tissue infections, and sexually transmitted diseases caused by sensitive strains.
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Product Details


Product name:
Azithromycin 
Molecular Formula  
 C38H72N2O12,xH20
Molecular Structure
mtxx01
Molecular Weight
748.98
CAS No.: 
83905-01-5


Description

Azithromycin is a white or almost white powder. It is practically insoluble in water, freely soluble in anhydrous ethanol and in methylene chloride.

 

Application

Macrocyclic lactam antibiotics, used for the following infections caused by sensitive bacteria: bronchitis, pneumonia and other lower respiratory tract infections; skin and soft tissue infections; acute otitis media; nasosinusitis, pharyngitis, tonsillitis and other upper respiratory tract infections.

 

Specification

Appearance 
White or almost white powder.
IdentificationInfrared absorption
Appearance of solution
Meets the requirements.
PH  
9.0 - 11.0
Specific optical rotation
- 45 to - 49
Heavy metals
≤25 ppm
Water
1.8% - 6.5%
Sulfated ash  
≤0.2%
Related substances:

Impurities B
≤2.0%
Each impurity (C, E, F, H, I)
≤0.5%
Sum of impurities D and J
≤0.5%
Impurities G
≤0.2%
Any other impurity 
≤0.2%
Total impurity 
≤3.0%
Assay
96.0%-102.0%


Packing

25kg/bag or as per customer’s requirements.

 

Storage

Preserve in airtight containers.

 

Minimum Order

One package

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