2-Oxo-2,5-dihydrofuran-3-carboxylic acid CAS 34762-81-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 34762-81-7 |
| Molecular Formula | C5H4O4 |
| Molecular Weight | 128.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Oxo-2,5-dihydrofuran-3-carboxylic acid (CAS 34762-81-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C5H4O4. Molecular weight: 128.08 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C5H4O4 |
| Molecular Weight | 128.08 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1966 |
Related Oxo Standards
- 2-Methyl-4,5-dihydrofuran-3-carboxylicacid (CAS 100191-39-7)
- Methyl 2,5-dihydrofuran-3-carboxylate (CAS 288839-18-9)
- Methyl 4,5-dihydrofuran-3-carboxylate (CAS 53750-81-5)
- 1-(2-Methyl-4,5-dihydrofuran-3-yl)ethanone (CAS 5831-64-1)
- 2-Methyl-4,5-dihydrofuran-3-thiol (CAS 26486-13-5)
- 2,5-Dihydrofuran-3-carboxylic acid (CAS 1002728-73-5)
- 4,5-Dihydrofuran-2-carboxylic acid (CAS 444777-27-9)
- 4,5-Dihydrofuran-3-carboxylic Acid (CAS 98021-62-6)
Recommended Standards
- 2-hydroxyfuran-3-carboxylic acid (CAS 2170788-48-2)
- 3-fluoro-1H-pyrrole-2-carboxylate (CAS 2510999-68-3)
- 4-Hydroxyfuran-3-carboxylic acid (CAS 1246668-90-5)
- 1-((Tetrahydro-2H-pyran-4-yl)methyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1341045-34-8)
- Ethyl 1-(7-(2-fluorophenyl)-4-hydroxythieno[3,2-d]pyrimidin-2-yl)piperidine-4-carboxylate (CAS 1243106-58-2)
- Methyl 6-chloro-2h-chromene-8-carboxylate (CAS 220841-16-7)
- N-(2-(Furan-3-yl)ethyl)-4-phenylbutanamide (CAS 1428356-64-2)
- 2-[4-(prop-2-ynamido)phenyl]acetic acid (CAS 1016865-10-3)
- 1-(4-Cyclohexylphenyl)-3-((3,4-dichlorophenyl)amino)propan-1-one (CAS 883794-28-3)
- Acetyl Tripeptide-1 (CAS 350595-76-5)
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