3-(1-Benzofuran-2-yl)propanoic acid CAS 21683-86-3
| CAS No. | 21683-86-3 |
| Molecular Formula | C11H10O3 |
| Molecular Weight | 190.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-(1-Benzofuran-2-yl)propanoic acid is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-(1-Benzofuran-2-yl)propanoic acid (CAS 21683-86-3) is a high-purity analytical reference standard with the molecular formula C11H10O3 and a molecular weight of 190.20 g/mol.
Based on its molecular formula C11H10O3, 3-(1-Benzofuran-2-yl)propanoic 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 190.20 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3-(1-Benzofuran-2-yl)propanoic 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 | C11H10O3 |
| Molecular Weight | 190.20 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
Related Benzofuran Standards
- 3-(Benzofuran-5-yl)propanoic acid (CAS 1158745-15-3)
- Methyl 2-(Benzofuran-5-Yl)Acetate (CAS 121638-36-6)
- 2-(1-Benzofuran-2-yl)propanoic acid (CAS 1249571-02-5)
- Ethyl benzofuran-5-carboxylate (CAS 127527-76-8)
- 5-ethyl-1-benzofuran-3-carboxylic acid (CAS 1539820-78-4)
- Ethyl Benzofuran-3-carboxylate (CAS 194278-43-8)
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- 2-(2-methyl-1-benzofuran-3-yl)acetic acid (CAS 99846-06-7)
Recommended Standards
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Why CATO?
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