4-Ethynyl-2,6-difluorobenzoic acid CAS 2132349-47-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2132349-47-2 |
| Molecular Formula | C9H4F2O2 |
| Molecular Weight | 182.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Ethynyl-2,6-difluorobenzoic acid (CAS 2132349-47-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C9H4F2O2. Molecular weight: 182.12 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C9H4F2O2 |
| Molecular Weight | 182.12 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; 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.) | 1997 |
| Halogen Content | F-containing |
Related Ethynyl Standards
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- 5-Ethynyl-2,2-difluorobenzo[d][1,3]dioxole (CAS 1551182-90-1)
- 4-Ethynyl-2,5-difluorobenzoic acid (CAS 2490398-41-7)
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- 1-Ethynyl-2-methoxynaphthalene (CAS 917894-85-0)
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Recommended Standards
- Dimethyl (2R,3R)-2,3-difluorosuccinate (CAS 71974-84-0)
- 3-(3,5-Difluorophenyl)propiolic acid (CAS 935475-83-5)
- Dimethyl (2S,3S)-2,3-Difluorosuccinate (CAS 222312-03-0)
- N-(2-Amino-4-methylphenyl)benzamide (CAS 53476-33-8)
- (4R,7S,7aR)-3a,4,5,6,7,7a-Hexahydro-1H-4,7-methanoinden-1-ol (CAS 27137-33-3)
- Methyl N-(4-chloro-2-methylphenyl)-N-(methylsulfonyl)glycinate (CAS 333320-38-0)
- 1,1-Difluoro-4-methyl-6-azaspiro[2.5]Octane (CAS 2306261-66-3)
- 4-Nitrobenzylfluoride (CAS 500-11-8)
- Ethyl 4-cyano-1H-pyrrole-3-carboxylate (CAS 156422-76-3)
- Insulin Degludec Impurity 1 (CAS 843666-26-2)
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