Description
Azithromycin Powder CAS 83905-01-5 Quick Details
| Chemical Name: | Azithromycin |
| Other Name: | Azithromycin Powder; Azithromycin 500mg; Azithromycin bnf |
| CAS: | 83905-01-5 |
| EINECS: | 617-500-5 |
| Type: | Pharmaceutical intermediates; Pharmaceutical raw materials; Organic raw materials |
| Molecular Formula: | C38H72N2O12 |
| Molecular Weight: | 748.98 |
Chemical Properties
| Melting point | 113-115°C |
| alpha | D20 -37° (c = 1 in CHCl3) |
| Boiling point | 822.1±65.0 °C(Predicted) |
| density | 1.18±0.1 g/cm3(Predicted) |
| storage temp. | Sealed in dry,2-8°C |
| solubility | Practically insoluble in water, freely soluble in anhydrous ethanol and in methylene chloride. |
| pka | pKa 8.74 (H2O t=25 I=0.167) (Uncertain);9.45(H2O t=25 I=0.167) (Uncertain) |
| form | neat |
| color | White to Off-White |
| optical activity | [α]/D 45±2°, c = 1% in ethanol |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
Azithromycin Uses
Azithromycin powder reversibly binds to the 50S ribosomal subunit of 70S ribosome of sensitive bacteria, thus hindering the translocation step of protein synthesis. The freshly synthesized peptide tRNA particles relocate from the receptor website on the ribosome to the peptide (benefactor) website, therefore hindering RNA dependent healthy protein synthesis, causing cell growth restraint and cell death.
Macrolide anti-biotics, 15 membered nitrogen heterocycles, have comparable anti-bacterial device to erythromycin, but have a broader antibacterial spectrum. The antibacterial activity versus gram-positive microorganisms is more powerful, as well as against gram-negative germs such as Haemophilus flus, Salmonella, Escherichia coli, Shigella, etc. It is steady to acid and also has good tolerance. It has great healing result on respiratory system infection, skin and also soft cells infection, sexually transmitted diseases triggered by sensitive strains.
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