9-Methoxycamptothecin
Also known as: 9-Methoxycamptothecin, (S)-9-Methoxycamptothecin, (4S)-4-Ethyl-4-hydroxy-10-methoxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione, 9-Methoxycamptothecine, Methoxycamptothecin, 9-
9-Methoxycamptothecin (CAS 39026-92-1) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C21H18N2O5 and a molecular weight of 378.378 g/mol. Key properties include a melting point of 223-225 ºC, a boiling point of 773.1±60.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 421.4±32.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 39026-92-1
- Jingsj CID
- J-1977476-6
- Molecular Formula
- C21H18N2O5
- Molecular Weight
- 378.378 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 223-225 ºC |
|---|---|
| Boiling Point | 773.1±60.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 421.4±32.9 °C |
| Exact Mass | 378.121582 |
| PSA | 90.65000 |
| LogP | 2.00 |
| Vapor Pressure | 0.0±2.8 mmHg at 25°C |
| Refractive Index | 1.723 |
| Storage Conditions | 2-8°C |
| Additional Property | Slightly soluble (2.7 g/L) (25 ºC) |
Activity & Biological Data
| Target | Topoisomerase[1]. Apoptosis[2]. |
|---|---|
| Additional Information | [1]. Liao N, et al. 9-methoxycamptothecin from Nothapodytes foetida induces apoptosis in murine sarcoma S180 cells. Z Naturforsch C. 2011 Sep-Oct;66(9-10):471-6. [2]. Wang H, et al. TNFα and Fas/FasL pathways are involved in 9-Methoxycamptothecin-induced apoptosis in cancer cells with oxidative stress and G2/M cell cycle arrest. Food Chem Toxicol. 2013 May;55:396-410. |
Frequently Asked Questions
What is the CAS number of 9-Methoxycamptothecin?
The CAS number of 9-Methoxycamptothecin is 39026-92-1.
What are the molecular formula and molecular weight of 9-Methoxycamptothecin?
9-Methoxycamptothecin has molecular formula C21H18N2O5 and molecular weight 378.378 g/mol.
What are the upstream and downstream products of 9-Methoxycamptothecin?
For 9-Methoxycamptothecin, Upstream Products: Rubitecan, Diazomethane, 10-Hydroxycamptothecin.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "9-Methoxycamptothecin (CAS 39026-92-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1977476-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.