Ethyl 5-(difluoromethoxy)-4-fluoro-1-methyl-1H-pyrazole-3-carboxylate CAS 1774902-68-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1774902-68-9 |
| Molecular Formula | C8H9F3N2O3 |
| Molecular Weight | 238.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 5-(difluoromethoxy)-4-fluoro-1-methyl-1H-pyrazole-3-carboxylate (CAS 1774902-68-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H9F3N2O3. Molecular weight: 238.16 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H9F3N2O3 |
| Molecular Weight | 238.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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 methanol, ethanol, DMSO |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- Methyl 4-(difluoromethoxy)-2,6-difluorobenzoate (CAS 1040723-82-7)
- 2,4-Bis(difluoromethoxy)benzaldehyde (CAS 80395-30-8)
- 5-[4-(difluoromethoxy)phenyl]-1,2,4-triazin-3-amine (CAS 1094271-28-9)
- 5-[2-(difluoromethoxy)phenyl]-1,2,4-triazin-3-amine (CAS 1094454-58-6)
- 1-(Difluoromethoxy)naphthalene-2-carboxylic acid (CAS 1261729-87-6)
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- 6-(Difluoromethoxy)-2-naphthoic acid (CAS 1261884-97-2)
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Recommended Standards
- 3-(3,3-Difluoroazetidin-1-yl)-4-(trifluoromethyl)pyridine (CAS 1774898-35-9)
- 5-(3,3-Difluoroazetidin-1-yl)-2-(trifluoromethyl)pyridine (CAS 1779123-03-3)
- 3-(3,3-Difluoroazetidin-1-yl)-2-(trifluoromethyl)pyridine (CAS 1774896-06-8)
- 2-Chloro-3-(2-methylpropoxy)pyrazine (CAS 1250424-88-4)
- Methyl 2-chloro-5-cyanonicotinate (CAS 1256785-53-1)
- 2-(Difluoromethyl)-4-iodo-3-methoxypyridine-6-sulfonyl chloride (CAS 1805545-74-7)
- 4-Iodoquinolin-8-yl benzenesulfonate (CAS 61430-86-2)
- 1-Benzyl-4-phenylpiperidine-4-carbonitrile (CAS 56243-25-5)
- tert-Butyl 1H-pyrrol-2-ylcarbamate (CAS 1784224-90-3)
- Cholecystokinin, CCK Tetrapeptide (30-33) (CAS 35144-91-3)
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