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Leflunomide structure
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Leflunomide

TL;DR: Leflunomide (CAS 75706-12-6) is a chemical compound with molecular formula C12H9F3N2O2 and molecular weight 270.0616 g/mol, supplied by CoreyChem (Career Henan Chemical Co., Ltd.) with ISO-certified quality and global shipping.

5-methyl-N-[4-(trifluoromethyl)phenyl]-1,2-oxazole-4-carboxamide

Also Known As: leflunomide, Arava, Leflunomida, Leflunomidum, lefunamide

CAS Number
75706-12-6
Molecular Formula
C12H9F3N2O2
Molecular Weight
270.0616 g/mol
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Application Areas

Top 5 of 13 IPC patent classification(s) from the SureChEMBL global patent database.

Agrochemicals (121 patents) Analytical Reagents (339 patents) Biotechnology (2233 patents) Catalysts (10 patents) Coatings & Adhesives (4 patents)

Technical Specifications

Molecular FormulaC12H9F3N2O2
Molecular Weight270.0616 g/mol
XLogP2.5
Topological Polar Surface Area (TPSA)55.1 Ų
Hydrogen Bond Donors1
Hydrogen Bond Acceptors6
Rotatable Bonds2
Exact Mass270.0616 Da
Heavy Atoms19
Complexity327.0
Melting Point165-166 °C
Vapor Pressure1.25X10-6 mm Hg at 25 °C /Estimated/
Solubility21
SMILESCC1=C(C=NO1)C(=O)NC2=CC=C(C=C2)C(F)(F)F
InChIKeyVHOGYURTWQBHIL-UHFFFAOYSA-N

Product Description

Applications: Leflunomide 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 Leflunomide (CAS 75706-12-6) with custom synthesis available from milligram to multi-kilogram scale, supported by COA, MSDS, and HPLC/NMR/MS documentation.

Leflunomide is a pharmaceutical intermediate identified by CAS number 75706-12-6 and the molecular formula C12H9F3N2O2 and a molecular weight of 270.06 g/mol. Physically, the compound has a solubility: 21. It is also known as leflunomide and Arava.

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 Leflunomide

XLogP
2.5
TPSA (Topological Polar Surface Area)
55.1
Hydrogen Bond Donors
1
Hydrogen Bond Acceptors
6
Rotatable Bonds
2
Heavy Atoms
19
Complexity
327.0
Exact Mass
270.0616
Monoisotopic Mass
270.0616
Data Source: Chemical property values are referenced from PubChem, the world's largest open chemistry database maintained by the National Center for Biotechnology Information (NCBI), U.S. National Library of Medicine.

Property Insights of Leflunomide

The XLogP value of 2.5 suggests moderate lipophilicity, balancing water solubility and membrane permeability for Leflunomide. With a topological polar surface area (TPSA) of 55.1 Ų, Leflunomide exhibits relatively low polarity, potentially indicating favorable cell membrane permeability. Following Lipinski's Rule of Five, Leflunomide has 1 hydrogen bond donor(s) and 6 hydrogen bond acceptor(s), all within the drug-like range, suggesting favorable oral bioavailability potential.

Frequently Asked Questions

What is the CAS number of Leflunomide?

The CAS number of Leflunomide is 75706-12-6.

What is the molecular formula of Leflunomide?

The molecular formula of Leflunomide is C12H9F3N2O2.

What is the molecular weight of Leflunomide?

The molecular weight of Leflunomide is 270.0616 g/mol.

What are the applications of Leflunomide?

Leflunomide 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 Leflunomide (CAS 75706-12-6) with custom...

Where can I buy Leflunomide?

You can request a quote for Leflunomide directly from CoreyChem. Contact us or email [email protected] for pricing and availability.

Does CoreyChem offer custom synthesis for Leflunomide?

Yes, CoreyChem provides custom synthesis services for Leflunomide and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.

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