Azithromycin CAS 83905-01-5
Purity >95%In StockPharmaceutical Standards
| CAS No. | 83905-01-5 |
| Molecular Formula | C38H72N2O12 |
| Molecular Weight | 748.98 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Azithromycin (CAS 83905-01-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C38H72N2O12. Molecular weight: 748.98 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C38H72N2O12 |
| Molecular Weight | 748.98 g/mol |
| Purity | >95% |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Nitrogen Atoms | 2 |
Related Azithromycin Standards
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- Azithromycin-13CD3 (CAS CATO-CCAD301299)
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Recommended Standards
- Erythromycin A 9-Oxime (Mixture of Z and E Isomers) (CAS 13127-18-9)
- 4,4'-Bis[4-(di-p-tolylamino)styryl]biphenyl (CAS 119586-44-6)
- Gadobutrol Impurity 183 (CAS CATO-C4X-2120183)
- Methyl 5-chloro-7-methyl-7H-pyrrolo[2,3-d]pyrimidine-4-carboxylate (CAS 1823922-80-0)
- 2-Nitro-5-phenylthioaniline (CAS 43156-47-4)
- N'-(4-Fluorobenzo[d]thiazol-2-yl)benzo[d]thiazole-2-carbohydrazide (CAS 851978-81-9)
- (R)-2-Amino-5-(3,3-dimethylguanidino)pentanoic acid (CAS 190784-53-3)
- 2-(4-Chlorobenzylidene)-5-(methylthio)thiophen-3(2H)-one (CAS 1000574-38-8)
- 2-Amino-2-(2-bromo-4-fluorophenyl)propanoic acid (CAS 1270505-27-5)
- Peptide Impurity 09 X TFA Salt (CAS CATO-CPTD788809)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com