Ethyl 3-amino-6-(difluoromethyl)-4-methylthieno[2,3-b]pyridine-2-carboxylate CAS 438223-65-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 438223-65-5 |
| Molecular Formula | C12H12F2N2O2S |
| Molecular Weight | 286.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 3-amino-6-(difluoromethyl)-4-methylthieno[2,3-b]pyridine-2-carboxylate (CAS 438223-65-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C12H12F2N2O2S. Molecular weight: 286.30 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C12H12F2N2O2S |
| Molecular Weight | 286.30 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- Diisobutyl phenyl phosphate (CAS 38299-61-5)
- Ethyl 4-((2-methoxy-2-oxoethyl)thio)-6-methyl-2-oxo-1,2-dihydropyrimidine-5-carboxylate (CAS 900002-05-3)
- Bis((1S,2R,3S,5S)-2,6,6-trimethylbicyclo[3.1.1]heptan-3-yl)borane (CAS 21947-87-5)
- 4-Ethynyl-1-methyl-1H-indole (CAS 959918-24-2)
- 2-(9-Iodononyl)-3-methyl-5-pentylfuran (CAS 88646-95-1)
- (3-(4-Fluorophenyl)oxetan-3-yl)methanol (CAS 1378472-32-2)
- 2-Amino-6-chloropyrimidin-4(1H)-one hydrate(1:x) (CAS 206658-81-3)
- Ibrutinib Impurity 82 (CAS 1516569-46-2)
- 1082766-25-3 (3-Aminopiperidin-1-yl)(furan-2-yl)methanone DTXSID60649232 (CAS 1082766-25-3)
- Peptide Impurity 11 X TFA Salt (CAS CATO-CPTD788811)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com