Erythromycin A 9-Oxime (Mixture of Z and E Isomers) CAS 13127-18-9
Purity >90%In StockPharmaceutical Standards
| CAS No. | 13127-18-9 |
| Molecular Formula | C37H68N2O13 |
| Molecular Weight | 748.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Erythromycin A 9-Oxime (Mixture of Z and E Isomers) (CAS 13127-18-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C37H68N2O13. Molecular weight: 748.94 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C37H68N2O13 |
| Molecular Weight | 748.94 g/mol |
| Purity | >90% |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Nitrogen Atoms | 2 |
Related Erythromycin Standards
- (9Z)-Erythromycin A Oxime (CAS 134931-01-4)
- Erythromycin Z Oxime (CAS CATO-C4X-100129)
- Erythromycin Impurity 39 (CAS CATO-C4X-100139)
- Erythromycin thiocyanate impurity C reduced derivative (CAS CATO-C4X-100167)
- Erythromycin EP Impurity H（Erythromycin A N-oxide） (CAS 992-65-4)
- Erythromycin Impurity 46 (CAS CATO-C4X-100146)
- Erythromycin EP Impurity A (CAS 82230-93-1)
- Erythromycin Impurity 50 (CAS 37152-22-0)
Recommended Standards
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- 1-(4-Chlorobenzyl)-4-methyl-1H-pyrazol-5-amine (CAS 1015846-01-1)
- 2-Propoxypyridin-3-ol (CAS 1232013-70-5)
- (Tyr9)-Cholecystokinin Octapeptide (sulfated) (H-9770.0005) (CAS 96607-61-3)
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