Letrozole
TL;DR: Letrozole (CAS 112809-51-5) is a chemical compound with molecular formula C17H11N5 and molecular weight 285.10144 g/mol, supplied by CoreyChem (Career Henan Chemical Co., Ltd.) with ISO-certified quality and global shipping.
4-[(4-cyanophenyl)-(1,2,4-triazol-1-yl)methyl]benzonitrile
Also Known As: letrozole, Femara, Letrozol, piroxicam, Letoval
Application Areas
Top 5 of 15 IPC patent classification(s) from the SureChEMBL global patent database.
Technical Specifications
| Molecular Formula | C17H11N5 |
| Molecular Weight | 285.10144 g/mol |
| XLogP | 2.7 |
| Topological Polar Surface Area (TPSA) | 78.3 Ų |
| Hydrogen Bond Donors | 0 |
| Hydrogen Bond Acceptors | 4 |
| Rotatable Bonds | 3 |
| Exact Mass | 285.10144 Da |
| Heavy Atoms | 22 |
| Complexity | 420.0 |
| Melting Point | 184-185 °C |
| Solubility | Freely soluble in dichloromethane; slightly soluble in ethanol; practically insoluble in water |
| SMILES | C1=CC(=CC=C1C#N)C(C2=CC=C(C=C2)C#N)N3C=NC=N3 |
| InChIKey | HPJKCIUCZWXJDR-UHFFFAOYSA-N |
Product Description
Applications: Letrozole is used in pharmaceutical synthesis routes and API production, as well as heterocycle construction in medicinal chemistry and agrochemical discovery. It commonly serves as a versatile building block for organic synthesis. CoreyChem supplies Letrozole (CAS 112809-51-5) with custom synthesis available from milligram to multi-kilogram scale, supported by COA, MSDS, and HPLC/NMR/MS documentation.
Letrozole (CAS 112809-51-5) is a pharmaceutical intermediate with the molecular formula C17H11N5 and a molecular weight of 285.1 g/mol. Key physical properties include a solubility: Freely soluble in dichloromethane; slightly soluble in ethanol; practically insoluble in water. It is also known as letrozole and Femara.
Custom synthesis and full analytical documentation (COA/MSDS) are available from CoreyChem. Request a quotation with your required quantity and purity for current lead time and pricing.
Chemical Property Profile of Letrozole
Property Insights of Letrozole
The XLogP value of 2.7 suggests moderate lipophilicity, balancing water solubility and membrane permeability for Letrozole. The TPSA of 78.3 Ų falls within the moderate polarity range, balancing permeability and solubility for Letrozole. Following Lipinski's Rule of Five, Letrozole has 0 hydrogen bond donor(s) and 4 hydrogen bond acceptor(s), all within the drug-like range, suggesting favorable oral bioavailability potential.
Frequently Asked Questions
What is the CAS number of Letrozole?
The CAS number of Letrozole is 112809-51-5.
What is the molecular formula of Letrozole?
The molecular formula of Letrozole is C17H11N5.
What is the molecular weight of Letrozole?
The molecular weight of Letrozole is 285.10144 g/mol.
What are the applications of Letrozole?
Letrozole is used in pharmaceutical synthesis routes and API production, as well as heterocycle construction in medicinal chemistry and agrochemical discovery. It commonly serves as a versatile building block for organic synthesis. CoreyChem supplies Letrozole (CAS 112809-51-5) with custom...
Where can I buy Letrozole?
You can request a quote for Letrozole directly from CoreyChem. Contact us or email [email protected] for pricing and availability.
Does CoreyChem offer custom synthesis for Letrozole?
Yes, CoreyChem provides custom synthesis services for Letrozole and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.