Epothilone A
Also known as: (-)-Epothilone A, Epo A, Epothilon A, Epothilone-S, UNII-51E07YBX96, Ixabepilone Impurity 5 (Epothilone A), (1S,3S,7S,10R,11S,12S,16R)-7,11-Dihydroxy-8,8,10,12-tetramethyl-3-[(1E)-1-methyl-2-(2-methyl-4-thiazolyl)ethenyl]-4,17-dioxabicyclo[14.1.0]heptadecane-5,9-dione, (1S,3S,7S,10R,11S,12S,16R)-7,11-dihydroxy-8,8,10,12-tetramethyl-3-[(1E)-1-(2-methyl-1,3-thiazol-4-yl)prop-1-en-2-yl]-4,17-dioxabicyclo[14.1.0]heptadecane-5,9-dione
Epothilone A (CAS 152044-53-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C26H39NO6S and a molecular weight of 493.656 g/mol. Key properties include a melting point of 95ºC, a boiling point of 683.3±55.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 367.1±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 152044-53-6
- Jingsj CID
- J-1980457-0
- Molecular Formula
- C26H39NO6S
- Molecular Weight
- 493.656 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 95ºC |
|---|---|
| Boiling Point | 683.3±55.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 367.1±31.5 °C |
| Exact Mass | 493.249817 |
| PSA | 137.49000 |
| LogP | 2.54 |
| Vapor Pressure | 0.0±2.2 mmHg at 25°C |
| Refractive Index | 1.532 |
| Storage Conditions | -20°C |
Activity & Biological Data
| Additional Information | [1]. Kowalski RJ, et al. Activities of the microtubule-stabilizing agents epothilones A and B with purified tubulin and in cells resistant to paclitaxel (Taxol(R)). J Biol Chem. 1997 Jan 24;272(4):2534-41. [2]. Cheng KL, et al. Novel microtubule-targeting agents - the epothilones. Biologics. 2008 Dec;2(4):789-811. |
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Frequently Asked Questions
What is the CAS number of Epothilone A?
The CAS number of Epothilone A is 152044-53-6.
What are the molecular formula and molecular weight of Epothilone A?
Epothilone A has molecular formula C26H39NO6S and molecular weight 493.656 g/mol.
What are the upstream and downstream products of Epothilone A?
For Epothilone A, Upstream Products: Epothilone C, 2-Methyl-1,3-thiazole-4-carbaldehyde, Ethyl 2-methylthiazole-4-carboxylate; Downstream Products: Epothilone C.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Epothilone A (CAS 152044-53-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1980457-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.