9-Methoxycamptothecin
9-甲氧基喜树碱
Also known as: (4S)-4-Ethyl-4-hydroxy-9-methoxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione, 10-Methoxycamptothecin, Methoxycamptothecin, 9-, NSC 111533, Camptothecine, 10-methoxy-, 1H-Pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione, 4-ethyl-4-hydroxy-9-methoxy-, (4S)-
9-Methoxycamptothecin (CAS 19685-10-0) 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. It is also known as (4S)-4-Ethyl-4-hydroxy-9-methoxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione, 10-Methoxycamptothecin and Methoxycamptothecin, 9-. Key properties include 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.
- 19685-10-0
- Jingsj CID
- J-1957090-1
- Molecular Formula
- C21H18N2O5
- Chinese Name
- 9-甲氧基喜树碱
- Molecular Weight
- 378.378 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 773.1±60.0 °C at 760 mmHg |
|---|---|
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 421.4±32.9 °C |
Frequently Asked Questions
What is the CAS number of 9-Methoxycamptothecin?
The CAS number of 9-Methoxycamptothecin is 19685-10-0.
What are the molecular formula and molecular weight of 9-Methoxycamptothecin?
9-Methoxycamptothecin has molecular formula C21H18N2O5 and molecular weight 378.378 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "9-Methoxycamptothecin (CAS 19685-10-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1957090-1 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.