Erythromycin A Enol Ether
Also known as: EM 523, Erythromycin impurity B, 6-Deoxy-9-deoxo-8,9-didehydro-6,9-epoxyerythromycin, 6,9-Epoxy-8,9-didehydro-9-deoxo-6-deoxyerythromycin, 9-Deoxo-6-deoxy-6,9-epoxy-8,9-didehydroerythromycin, 6β,9-Epoxy-8,9-didehydro-9-deoxo-6-deoxyerythromycin, (6R)-6-Deoxy-9-deoxo-6,9-epoxy-8,9-didehydroerythromycin, 11-(4-Dimethylamino-3-hydroxy-6-methyl-tetrahydro-pyran-2-yloxy)-5-ethyl-3,4-dihydroxy-9-(5-hydroxy-4-methoxy-4,6-dimethyl-tetrahydro-pyran-2-yloxy)-2,4,8,10,12,14-hexamethyl-6,15-dioxa-bicyclo[10.2.1]pentadec-1(14)-en-7-one, 8,9-anhydroerythromycin A, 8,9-anhydroerythromycin A 6,9-hemiacetal, 8,9-anhydroerythromycin A 6,9-hemiketal, 8,9-anhydroerythromycin 6,9-hemiketal, Erythromycin Impurity 5, erythromycin hemiketal
Erythromycin A Enol Ether (CAS 33396-29-1) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C37H65NO12 and a molecular weight of 715.91100 g/mol. Key properties include a melting point of 133-135ºC, a boiling point of 791.6ºC at 760mmHg, a density of 1.2g/cm3 and a flash point of 432.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 33396-29-1
- Jingsj CID
- J-1970837-3
- Molecular Formula
- C37H65NO12
- Molecular Weight
- 715.91100 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 133-135ºC |
|---|---|
| Boiling Point | 791.6ºC at 760mmHg |
| Density | 1.2g/cm3 |
| Flash Point | 432.6ºC |
| Exact Mass | 715.45100 |
| PSA | 165.84000 |
| LogP | 2.89230 |
| Refractive Index | 1.542 |
| Storage Conditions | -20°C Freezer |
Activity & Biological Data
| Additional Information | [1]. A Deubel, et al. Development of an enhanced separation of erythromycin and its related substances by liquid chromatography. J Pharm Biomed Anal. 2007 Jan 17;43(2):493-8. [2]. Abdolreza Hassanzadeh, et al. Mechanism for the degradation of erythromycin A and erythromycin A 2'-ethyl succinate in acidic aqueous solution. J Phys Chem A. 2007 Oct 11;111(40):10098-104. |
|---|
Frequently Asked Questions
What is the CAS number of Erythromycin A Enol Ether?
The CAS number of Erythromycin A Enol Ether is 33396-29-1.
What are the molecular formula and molecular weight of Erythromycin A Enol Ether?
Erythromycin A Enol Ether has molecular formula C37H65NO12 and molecular weight 715.91100 g/mol.
What are the upstream and downstream products of Erythromycin A Enol Ether?
For Erythromycin A Enol Ether, Upstream Products: Erythromycin.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Erythromycin A Enol Ether (CAS 33396-29-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1970837-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.