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Brand:aa
Product detail:
Product Name:Azithromycin
CAS: 83905-01-5
Standard:USP
Appearance:white crystalline powder
MF: C38H72N2O12
Weight: 749.00
Purity:min99%
USES:
Azithromycin is an antibiotic used to treat a wide variety of bacterial infections, such as respiratory tract infections, sexually transmitted diseases and skin infections. This antibiotic only treats bacterial infections. It will not work for viral infections (e.g., common cold, flu). Unnecessary use or overuse of any antibiotic can lead to its decreased effectiveness.
Indications
1, streptococcus pneumoniae caused by acute pharyngitis, acute tonsillitis.
2, caused by sensitive bacteria sinusitis, otitis media, acute bronchitis, chronic bronchitis acute attack.
3, streptococcus pneumoniae, haemophilus influenzae and pneumonia mycoplasma.
4, chlamydia trachomatis and not a variety of resistance evaluate the antibiotic susceptibility of neisseria gonorrhoeae of urethritis and cervicitis.
5, caused by sensitive bacteria skin soft tissue infection.
HOW TO USE:
This medication is best taken on an empty stomach one hour before or 2 hours after meals. Avoid taking antacids with this since the absorption of this drug can be affected. Wait at least 2 hours after taking this medication before taking an antacid. Antibiotics work best when the amount of medicine in your body is kept at a constant level. Do this by taking the medication at the same time of the day on each day of treatment. Continue to take this medication until the full prescribed amount is finished even if symptoms disappear after a few days. Stopping the medication too early may allow bacteria to continue to grow and may result in a relapse of the infection.
Specification:
Test Item | Analysis Specification | Result |
Description | White or almost white crystalline powder, No odor and bitter. Practically insoluble in water, freely soluble in anhydrous ethanol and in methylene chloride. | Conforms |
Identification | A: IR: Conforms to the Azithromycin RS spectrum B: 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 obtained in the Assay. |
Conforms
Conforms
|
Specific rotation | -45°~-49°(Anhydrous substance 20mg/ml dehydrated alcohol) | -47° |
Crystallinity | Meets the requirements | Conforms |
pH | 9.0~11.0 ( 0.1g /50ml methanol-water (1:1)) | 10.0 |
Water | 4.0%~5.0% | 4.4% |
Residue on Ignition | ≤0.3% | 0.02% |
Heavy metals | ≤0.0025% | <0.0025% |
Residual solvents | Methylene Chloride≤600ppm Acetone≤5000ppm | Not detected 1159.0ppm |
Assay((HPLC) | 945~1030 μg /mg ( Anhydrous substance) | 965μg /mg |
Conclusion | Conform to USP 26 Standard | |
