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Home > Products > API > CAS No. 83905-01-5 Azithromycin raw material on hot sale

CAS No. 83905-01-5 Azithromycin raw material on hot sale

Basic Info

Model No.: Top Grade

Product Description

CAS No. 83905-01-5 Azithromycin raw material on hot sale

Product Description



Other name

9-Deoxo-9a-methyl-9a-aza-homoerythromycin A


More than 99%








White or almost white crystalline powder



Melting Point



Items Specifications Results
Appearance White or almost white powder White powder
Solubility Practically insoluble in water, freely soluble in anhydrous ethanol and in methylene chloride Conforms
Idetification 1) IR: Conforms to the spectrum of Azithromycin RS Conforms
2) HPLC: The retention time of azithromycin peak in the chromatogram of the assay preparation corresponds to that in the chromatogram of the Standard preparation, as ovtained in the assay
Specific rotation -45°~ -49° -47°
Crystallinity Meets the requirements Conforms
pH 9.0~11.0 (2mg/ml methanol-water(1:1)) 10.1
Water 4.0%~5.0% 4.60%
Residue on ignition ≤0.3% 0.01%
Heavy metals ≤25ppm <25ppm
  Impurity A ≤0.5% Not detected
  Impurity B ≤1.0% 0.40%
  Impurity C ≤0.5% 0.22%
  Impurity J ≤0.3% 0.11%
  Impurity E ≤0.5% Not detected
  Impurity F ≤0.5% <0.10%
  Impurity G ≤0.5% Not detected
Related Substances(HPLC Test 2) Impurity I ≤0.7% Not detected
  Impurity L≤0.5% Not detected
  Impurity M≤0.5% Not detected
  Impurity N ≤0.5% Not detected
  Impurity O≤0.5% 0.11%
  Impurity P ≤0.2% <0.10%
  Any other impuirty ≤0.2% <0.10%
  Total impurities ≤3.0% 0.84%
Residual Solvents Methylene Chlorde≤600ppm Not detected
Acetone ≤5000ppm 330ppm
Assay 945~1030μg/mg (Anhydrous substance ) 978μg/mg
Conclusion The results can conforms with the USP37 standard.

Function and Application

1.Azithromycin is used to treat or prevent certain bacterial infections, most often those causing middle ear i     nfections, strep throat, pneumonia, typhoid, and sinusitis;

2.It has been used primarily to prevent bacterial infections in infants and those with weaker immune system3.It is also effective against certain sexually transmitted infections, such as non-        gonococcal urethritis, chlamydia, and cervicitis; 

4.Azithromycin is used for acute pharyngitis, acute tonsillitis caused by Streptococcus pyogenes;

5.Azithromycin is used for acute throat and tonsillitis which are caused by streptococcus pyogenes, otitis;

6.Azithromycin can treatment of media sinusitis acute bronchitis skin soft tissue infection which are caused      by sensitive bacteria;

7.Azithromycin is also used for pneumonia urethritis cervicitis and so on.


1.Applied in pharmaceutical field, Azithromycin can be used for respiratory tract infections, urinary tract in    fections, skin and soft tissue infections and sexually transmitted diseases;

2.It also to be effective against lateonset asthma, but these findings are controversial and not widely accept   ed. 

Packing and Storage

1kg with double plastic container inside/Aluminum foil bag ;
25kg with double plastic container inside/Fiber drum outside.Or as your request.
Shipped in 3 days after payment.
1.Stored in a cool and dry well-closed container and in ventilated area.
2.kept away from moisture and strong light or high temperature.
3.Two years under well storage situation and stored away from direct sun light.




 Xi’an Wharton Bio-Tech Co.,Ltd  is a national key high-tech enter prise,which mainly specializes in the R&D,operation and production of pharmaceutical APIs and intermediates.Our company is situated in E&T development zone,xi’an city shaanxi,it is easy of access.Our company has independent R&D center,raw material synthesis workshop,has advanced quality instruments and equipmentm,several product patents there are 15 experts in our research team.We insist in innovation and produce high quality products.we have GMP standard workshop and complete equipment.the superior product qualityis guaranteed by 300,000 level air-conditioning clear system within purification drying and packing procedures.we have 2 sales department over 30 people and sell our products all over the world.we also have strong professional research and development team,talented personnel and completely equipped laboratory for quality controlling.Various detection device is equipped in Wharton such as HPLC,GS,Spectrophotometer,AAS,Polarimeter,Auto titrators,BOD Incubators,COD Incubators,Melting point apparatus and so on.

Our Service


---------------------------------------------------------------------------------------------------------------------------------------------------------------------1. All inquiries will be replied within 12 hours.


2. Dedication to quality, supply & service.


3. Strictly on selecting raw materials.


4. OEM/ODM Available.


5. Reasonable & competitive price, fast lead time.


6. Sample is available for your evaluation & Formulation development.


7. Faster delivery:Sample order in stock and 3-7 days for bulk production.


8.We have strong cooperation with DHL, TNT, UPS, FEDEX, EMS. Or you also can choose your own shipping forwarder


9. After-Sale Service:


1) International Authorized Third-Party Test For The Products You Demand.


2) 30 Days Warranty of quality of goods. 


Our Advantage



 FAQ ------------------------------------------------------------------------------------------------------------------------


1.Are you a manufacturer or trade company?


We are a professional manufacturer.


2.What products your company specialize in?
We specialize in Vitamin B12(Cyanocobalamin), Coenzyme Q10 , Nicotinamide Riboside , Scopolamine Butylbromide , Vitamin B1 ,Vitamin B6 , Vitamin B9(folic acid) , Vitamin k2 mk7 ,Hyaluronic Acid.


3.What’s your payment terms?
Standard terms: T/T in advance and Western Union.
Also L/C at sight is acceptable for large amount.


4.What’s the warranty service do you offer?
We offer 24 month warranty for all our products.


 5.How do you ensure monthhigh quality of your products?

Strict QC with 6 steps testing from raw material purchase to finished product.


 6.How do you ship the order normally?

For large qty order,ship the goods by sea.
For small qty order, by air or express. We supply optional express for you, includingDHL,FEDEX,UPS,TXT,EMS,ARAMES and so on.


  Send your Inquiry Details in the Below, Click "   Send " Now!



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