Erythromycin EP Impurity H（Erythromycin A N-oxide） CAS 992-65-4
Purity >90%In StockPharmacopoeial Impurity Standards
| CAS No. | 992-65-4 |
| Molecular Formula | C37H67NO14 |
| Molecular Weight | 749.93 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Erythromycin EP Impurity H（Erythromycin A N-oxide） (CAS 992-65-4), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C37H67NO14. Molecular weight: 749.93 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C37H67NO14 |
| Molecular Weight | 749.93 g/mol |
| Purity | >90% |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related Erythromycin Standards
- Erythromycin Impurity 46 (CAS CATO-C4X-100146)
- Erythromycin EP Impurity A (CAS 82230-93-1)
- (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 A 9-Oxime (Mixture of Z and E Isomers) (CAS 13127-18-9)
- Erythromycin thiocyanate impurity A reduced derivative (CAS CATO-C4X-100168)
Recommended Standards
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- Human glucagon CRS (CAS 9007-92-5)
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