- CAS
- 63927-52-6
- Formula
- C12H9F3N2O2
- MW
- 270.21 g/mol
2-Cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)but-2-enamide
Synonyms: 2-Cyano-3-hydroxy-N-(4-trifluoromethylphenyl)crotonamide · (E/Z)-Teriflunomide · Teriflunomide isomer E · 2-Cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)-2-butenamide
2-Cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)but-2-enamide (CAS 108605-62-5) – Leflunomide impurity standard. C12H9F3N2O2, MW 270.21. COA included.
About 2-Cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)but-2-enamide
Vaqora Chemicals supplies 2-Cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)but-2-enamide, a metabolite or degradation product of Leflunomide registered under CAS number 108605-62-5. Its molecular formula is C12H9F3N2O2 and its molecular weight is 270.21 g/mol. Alternative names: (E/Z)-Teriflunomide and Teriflunomide isomer E.
It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.
It is used in metabolite identification, stability-indicating method development and impurity profiling of Leflunomide, as well as in QC testing and ANDA/DMF documentation. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.
Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 2-Cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)but-2-enamide is dispatched with a Certificate of Analysis (COA) to destinations worldwide.
Typical applications
- Metabolite identification
- Stability-indicating methods
- Impurity profiling
Industries
View every impurity, metabolite and intermediate we list for Leflunomide.
Leflunomide impuritiesSpecifications & identifiers
| Product name | 2-Cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)but-2-enamide |
|---|---|
| Catalogue No. | VQ-031460 |
| CAS Number | 108605-62-5 |
| IUPAC name | 2-cyano-3-hydroxy-N-[4-(trifluoromethyl)phenyl]but-2-enamide |
| Molecular formula | C12H9F3N2O2 |
| Molecular weight | 270.21 g/mol |
| Exact mass | 270.0616 |
| Grade | Reference Standard |
| HSN code | 38229090 |
| InChIKey | UTNUDOFZCWSZMS-UHFFFAOYSA-N |
| SMILES | CC(=C(C#N)C(=O)NC1=CC=C(C=C1)C(F)(F)F)O |
| PubChem CID | 54677977 |
| Physical form | Solid |
|---|---|
| LogP (XLogP3) | 3.3 |
| H-bond donors / acceptors | 2 / 6 |
| TPSA | 73.1 Ų |
| Synonyms | 2-Cyano-3-hydroxy-N-(4-trifluoromethylphenyl)crotonamide, (E/Z)-Teriflunomide, Teriflunomide isomer E, 2-Cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)-2-butenamide, 2-cyano-3-hydroxy-n-[4-(trifluoromethyl)phenyl]-2-butenamide, 2-cyano-3-hydroxy-but-2-enoic acid (4-trifluoromethylphenyl)-amide, (2E)-2-[hydroxy-[4-(trifluoromethyl)anilino]methylene]-3-oxo-butanenitrile |
Safety & hazard information (GHS)
Signal word: Danger
Hazard statements
H301Toxic if swallowedH360May damage fertility or the unborn childH412Harmful to aquatic life with long lasting effects
Precautionary statements: P203, P264, P270, P273, P280, P301 + P316, P318, P321, P330, P405, P501
Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Frequently asked questions
What is the CAS number of 2-Cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)but-2-enamide?
The CAS Registry Number of 2-Cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)but-2-enamide is 108605-62-5. It is also known as 2-Cyano-3-hydroxy-N-(4-trifluoromethylphenyl)crotonamide, (E/Z)-Teriflunomide, Teriflunomide isomer E.
What is the molecular formula and molecular weight of 2-Cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)but-2-enamide?
2-Cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)but-2-enamide has the molecular formula C12H9F3N2O2 and a molecular weight of 270.21 g/mol. Its IUPAC name is 2-cyano-3-hydroxy-N-[4-(trifluoromethyl)phenyl]but-2-enamide.
What is 2-Cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)but-2-enamide used for?
2-Cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)but-2-enamide is supplied as a characterised reference material related to Leflunomide. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.
Which grade and pack sizes of 2-Cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)but-2-enamide can I order?
We supply 2-Cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)but-2-enamide in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with 2-Cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)but-2-enamide?
Yes. Every lot of 2-Cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)but-2-enamide is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can 2-Cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)but-2-enamide be shipped internationally?
Yes. 2-Cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)but-2-enamide is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.
Enquire about 2-Cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)but-2-enamide
We reply within one business day with price, pack options, lead time and documentation.
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