2-Oxo-6-pentyl-2H-pyran-3-carboxylic acid CAS 27593-22-2
| CAS No. | 27593-22-2 |
| Molecular Formula | C11H14O4 |
| Molecular Weight | 210.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
2-Oxo-6-pentyl-2H-pyran-3-carboxylic acid (CAS 27593-22-2) is a high-purity analytical reference standard with the molecular formula C11H14O4 and a molecular weight of 210.23 g/mol.
Based on its molecular formula C11H14O4, 2-Oxo-6-pentyl-2H-pyran-3-carboxylic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 210.23 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures 2-Oxo-6-pentyl-2H-pyran-3-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H14O4 |
| Molecular Weight | 210.23 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
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- tert-Butyl (1S*,5S*,6S*)-6-(trifluoromethyl)-2-azabicyclo[3.1.0]hexane-2-carboxy (CAS 1623162-50-4)
- 5-(1-Ethyl-5-methyl-1H-pyrazole-3-carbonyl)furan-2-carboxylic acid (CAS 1399656-17-7)
- 2-((5-(4-Bromophenyl)-1,3,4-oxadiazol-2-yl)thio)-N-(3-nitrophenyl)acetamide (CAS 332161-26-9)
- 2-((Diphenylphosphoryl)amino)acetic acid (CAS 62056-86-4)
- N-(4-methoxyphenyl)-2-oxo-1-(prop-2-yn-1-yl)-1,2-dihydropyridine-3-carboxamide (CAS 339028-30-7)
- 4-Phenyl-5-(1H-1,2,4-triazol-1-yl)pyrimidin-2-amine (CAS 241146-85-0)
- Semaglutide impurity 259 (CAS CATO-C4X-2226259)
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 18665070610 / Nicole.chen@cato-chem.com