2-(3-Fluoro-5-oxofuran-2(5H)-ylidene)acetic acid CAS 161985-56-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 161985-56-4 |
| Molecular Formula | C6H3FO4 |
| Molecular Weight | 158.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(3-Fluoro-5-oxofuran-2(5H)-ylidene)acetic acid (CAS 161985-56-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H3FO4. Molecular weight: 158.08 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H3FO4 |
| Molecular Weight | 158.08 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
| Halogen Content | F-containing |
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Recommended Standards
- Methyl (2,2,2-Trifluoroethyl) Carbonate (CAS 156783-95-8)
- Methyl (R)-3,3,3-trifluoro-2-hydroxypropanoate (CAS 1821780-47-5)
- 3-(Trifluoromethoxy)propanoic acid (CAS 1483237-81-5)
- 2-benzyl-6-oxa-2-azaspiro[4.5]decan-9-yl methanesulfonate (CAS 503551-93-7)
- N-Methyl-1-(thiazol-5-ylmethyl)piperidin-3-amine hydrochloride (CAS 1261234-87-0)
- 5-Nitro-6-{[3-(trifluoromethyl)phenyl]sulfanyl}imidazo[2,1-b][1,3]thiazole (CAS 343376-01-2)
- 1-(4-Bromophenyl)-3-(1,3-dioxan-2-yl)propan-1-one (CAS 376637-07-9)
- N-Benzyl-5-methyl-3-(p-tolyl)pyrazolo[1,5-a]pyrimidin-7-amine (CAS 890611-25-3)
- S-Acetyl-L-glutathione (CAS 3054-47-5)
- Semaglutide impurity 271 (CAS CATO-C4X-2226271)
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