4-(4-Ethoxybenzoyl)-5-(4-methoxyphenyl)-2-oxo-1-(thiazol-2-yl)-2,5-dihydro-1H-pyrrol-3-yl acetate CAS 1179491-90-7
| CAS No. | 1179491-90-7 |
| Molecular Formula | C23H20N2O5S |
| Molecular Weight | N/A |
| 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.
4-(4-Ethoxybenzoyl)-5-(4-methoxyphenyl)-2-oxo-1-(thiazol-2-yl)-2,5-dihydro-1H-pyrrol-3-yl acetate (CAS 1179491-90-7) is a high-purity analytical reference standard with the molecular formula C23H20N2O5SC2H4O2 and a molecular weight of 496.53 g/mol.
Based on its molecular formula C23H20N2O5SC2H4O2, 4-(4-Ethoxybenzoyl)-5-(4-methoxyphenyl)-2-oxo-1-(thiazol-2-yl)-2,5-dihydro-1H-pyrrol-3-yl acetate contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 496.53 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.
Physical & Chemical Properties
| Molecular Formula | C23H20N2O5S C2H4O2 |
| Molecular Weight | 496.53 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Ethoxybenzoyl Standards
- 2-(1-(4-Ethoxybenzoyl)-3-oxo-1,2,3,4-tetrahydroquinoxalin-2-yl)-N-(3-(trifluoromethyl)phenyl)acetamide (CAS 1007998-55-1)
- 2-[(2-Ethoxybenzoyl)amino]benzoic acid (CAS 10263-74-8)
- (2-Ethoxybenzoyl)proline (CAS 1104060-59-4)
- 1-(2-Ethoxybenzoyl)piperidin-4-amine hydrochloride (CAS 1170625-41-8)
- 2-(4-Ethoxybenzoyl)-4-methylpyridine (CAS 1187163-94-5)
- 2-(4-Ethoxybenzoyl)-5-methylpyridine (CAS 1187166-29-5)
- 2-(4-Ethoxybenzoyl)-6-methoxypyridine (CAS 1187170-57-5)
- 5-(4-Ethoxybenzoyl)-2-methylpyridine (CAS 1187171-10-3)
Recommended Standards
- Methyl 3-hydroxy-1-oxo-N-(prop-2-yn-1-yl)-1H-indene-2-carbimidothioate (CAS 1274903-29-5)
- (2R,5S)-5-Amino-8-guanidino-2-(4-hydroxybenzyl)-4-oxooctanoic acid compound with sulfuric acid (1:1) (CAS 103900-19-2)
- 2-Amino-3-methyl-N-(1-phenylethyl)butanamide (CAS 169452-79-3)
- N-Methoxy-N-methyl-3-(phenylsulfonyl)propanamide (CAS 314021-31-3)
- (2-(Benzyloxy)-5-(N-(tert-butyl)sulfamoyl)phenyl)boronic acid (CAS 871266-59-0)
- N-(4-Fluorophenyl)-2-(2-mercapto-4-oxo-4,5-dihydro-1,3-thiazol-5-yl)acetamide (CAS 1142206-74-3)
- cis-2-Phenyl-1,3-dioxan-5-amine (CAS 13042-46-1)
- 2-Chloro-3-(4-iso-propylphenyl)-1-propene (CAS 951890-59-8)
- N-(4-aminophenyl)-3,3,3-trifluoropropanamide hydrochloride (CAS 1583752-82-2)
- Peptide 435 (CAS CATO-CPTD788435)
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