Letrozole
来曲唑
Also known as: 4,4'-(1H-1,2,4-Triazol-1-ylmethylene)dibenzonitrile, 1-[Bis(4-cyanophenyl)methyl]-1,2,4-triazole, CGS-20267, Femara, Femera, Lelrozol, Letoval, Letrozol, MFCD00866241, UNII-7LKK855W8I
Letrozole (CAS 112809-51-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C17H11N5 and a molecular weight of 263.337 g/mol. It is also known as 4,4'-(1H-1,2,4-Triazol-1-ylmethylene)dibenzonitrile, 1-[Bis(4-cyanophenyl)methyl]-1,2,4-triazole and CGS-20267. Key properties include a melting point of 181-183ºC, a boiling point of 472.0±55.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 214.2±24.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 112809-51-5
- Jingsj CID
- J-1980214-5
- Molecular Formula
- C17H11N5
- Chinese Name
- 来曲唑
- Molecular Weight
- 263.337 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 181-183ºC |
|---|---|
| Boiling Point | 472.0±55.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 214.2±24.5 °C |
Frequently Asked Questions
What is the CAS number of Letrozole?
The CAS number of Letrozole is 112809-51-5.
What are the molecular formula and molecular weight of Letrozole?
Letrozole has molecular formula C17H11N5 and molecular weight 263.337 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Letrozole (CAS 112809-51-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1980214-5 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.