(2E)-3-(5-ethylfuran-2-yl)prop-2-enoic acid CAS 77741-65-2
| CAS No. | 77741-65-2 |
| Molecular Formula | C9H10O3 |
| Molecular Weight | 166.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
(2E)-3-(5-ethylfuran-2-yl)prop-2-enoic acid (CAS 77741-65-2) is a high-purity analytical reference standard with the molecular formula C9H10O3 and a molecular weight of 166.17 g/mol.
The molecular framework of (2E)-3-(5-ethylfuran-2-yl)prop-2-enoic acid (C9H10O3) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H10O3 |
| Molecular Weight | 166.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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.) | 1979 |
Related E Standards
- 2-(5-ethylfuran-2-yl)pyrrolidine (CAS 1270500-73-6)
- 1-(5-ethylfuran-2-yl)-2-methoxyethan-1-amine (CAS 1270399-95-5)
- (2E)-3-(5-ethylfuran-2-yl)prop-2-enoic acid (CAS 1310567-98-6)
- 5-Ethylfuran-2-sulfonamide (CAS 142294-57-3)
- 5-((5-Ethylfuran-2-yl)methyl)-1H-imidazole (CAS 226571-41-1)
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- Methyl 2-ethylfuran-3-carboxylate (CAS 141764-83-2)
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Recommended Standards
- (1R,6S)-Spiro[bicyclo[4.1.0]hept[3]ene-2,2'-[1,3]dioxolan]-5-one (CAS 207616-69-1)
- (2-Methylbenzo[d][1,3]dioxol-5-yl)methanol (CAS 71203-54-8)
- Methyl tetrahydrophthalic anhydride (CAS 19438-64-3)
- (4S,5S)-4,5-bis(fluoromethyl)-2,2-dimethyl-1,3-dioxolane (CAS 84409-70-1)
- Cyclopropyl 3-methylphenyl ketone (CAS 150668-37-4)
- 1-(5-bromothiophen-2-yl)cyclopropan-1-amine hydrochloride (CAS 1394040-39-1)
- 2-Amino-6-(difluoromethyl)-3-methoxypyridin-4-ol (CAS 1805328-41-9)
- 2-Oxa-6-azaspiro[3.5]nonane Oxalate (CAS 1366396-42-0)
- (3-Amino-4-methoxyphenyl)(4-methylpiperazin-1-yl)methanone (CAS 926200-11-5)
- Ethyl 3-Methoxybenzoate (CAS 10259-22-0)
- 2-Acetamidobut-3-enoic acid (CAS 147598-89-8)
- 3-(Methylsulfonyl)-N-(thiophen-2-yl)pyrrolidine-1-carboxamide (CAS 1448058-98-7)
- 7-Hydroxy Coumarin 2,3,4-Tri-O-acetyl-β-D-glucuronide Methyl Ester (CAS 168286-97-3)
- Semaglutide Impurity 149 (CAS CATO-C4X-2226149)
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