Azithromycin Dihydrate (117772-70-0) Featured Image
  • Azithromycin Dihydrate (117772-70-0)

Azithromycin Dihydrate (117772-70-0)

CAS No.: 117772-70-0

EINECS No.: 785.01

MF: C38H76N2O14

Product Description

New Description

Product Description

● CAS No.: 117772-70-0

● EINECS No.: 785.01

● MF: C38H76N2O14

● Package: 25Kg/Drum

Azithromycin dihydrate is an acid-stable, oral, macrolide antibacterial drug, and its structure is related to erythromycin.Azithromycin dihydrate is mainly used as a medicine for the treatment of respiratory tract infections, urinary tract infections, skin and soft tissue infections and sexually transmitted diseases.

Azithromycin is an antibiotic used for the treatment of a number of bacterial infections. This includes middle ear infections, strep throat, pneumonia, traveler's diarrhea, and certain other intestinal infections. It can also be used for a number of sexually transmitted infections, including chlamydia and gonorrhea infections.Azithromycin is an antibiotic that fights bacteria. Azithromycin is used to treat many different types of infections caused by bacteria, such as respiratory infections, skin infections, ear infections, eye infections, and sexually transmitted diseases.


1.Azithromycin is used to treat or prevent certain bacterial infections, most often those causing middle ear infections, 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;

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

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

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

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

Individual unknown impurity ≤ 0.2% (LOD: 0.03%; LOQ: 0.11%)

Not detected

Total impurities ≤ 3.0%


Residue on ignition

≤ 0.3%





Acetone ≤ 400ppm (LOD: 12ppm; LOQ: 40ppm)


Residual solvents (by GC)

Alcohol ≤ 120ppm (LOD: 31ppm; LOQ: 102ppm)

Not detected

Dichlormethane ≤ 600ppm (LOD: 36ppm; LOQ: 121ppm)

Not detected

Toluene ≤ 890ppm (LOD: 5ppm; LOQ: 18ppm)

Not detected

Methanol ≤ 500ppm (LOD: 15ppm; LOQ: 50ppm)

Not detected


94.5%~103.0% (anhydrous substance)


Conclusion: The above product conforms to USP43

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