1-(3,4-Diethoxyphenyl)-2,5-dimethyl-1h-pyrrole-3-carboxylic acid CAS 923768-61-0
| CAS No. | 923768-61-0 |
| Molecular Formula | C17H21NO4 |
| Molecular Weight | 303.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 303.35 g/mol gives 1-(3,4-Diethoxyphenyl)-2,5-dimethyl-1h-pyrrole-3-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-(3,4-Diethoxyphenyl)-2,5-dimethyl-1h-pyrrole-3-carboxylic acid (CAS 923768-61-0) is a high-purity analytical reference standard with the molecular formula C17H21NO4 and a molecular weight of 303.35 g/mol.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, 1-(3,4-Diethoxyphenyl)-2,5-dimethyl-1h-pyrrole-3-carboxylic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 303.35 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
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.
Physical & Chemical Properties
| Molecular Formula | C17H21NO4 |
| Molecular Weight | 303.35 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Related Diethoxyphenyl Standards
- Methyl 2-(3-(3,4-diethoxyphenyl)-1H-1,2,4-triazol-1-yl)acetate (CAS 1416347-34-6)
- 1-[(3,4-Diethoxyphenyl)methyl]-5-oxopyrrolidine-3-carboxylic acid (CAS 927984-46-1)
- 5-(3,4-Diethoxyphenyl)-3-(furan-2-yl)-1H-1,2,4-triazole (CAS 1416347-03-9)
- (3,4-Diethoxyphenyl)(2-(methylthio)-4,5-dihydro-1H-imidazol-1-yl)methanone (CAS 851863-19-9)
- 5-(3,4-Diethoxyphenyl)-3-phenyl-1H-1,2,4-triazole (CAS 1416342-22-7)
- 1-((3,4-Diethoxyphenyl)sulfonyl)piperazine (CAS 923185-04-0)
- 2-(3,4-Diethoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1005009-95-9)
- 5-(3,4-Diethoxyphenyl)-3-isobutyl-1H-1,2,4-triazole (CAS 1416346-91-2)
Recommended Standards
- 1-(2-Methoxyethyl)-5-(4-methoxyphenyl)-2,4-dimethyl-1H-pyrrole-3-carboxylic acid (CAS 879329-83-6)
- 1-(3,4-Dihydro-2H-pyrano[2,3-b]quinolin-7-yl)-2-phenylethanone (CAS 409345-76-2)
- (S)-tert-Butyl 2-(2-((methoxycarbonyl)amino)-3,3-dimethylbutanoyl)hydrazinecarboxylate (CAS 198904-77-7)
- 1-(Dimethylamino)-3-oxo-3-(tetrahydro-2H-pyran-4-yl)prop-1-en-2-yl benzoate (CAS 2415222-43-2)
- 6-Chloro-N-methyl-4-(o-tolyl)pyridin-3-amine (CAS 825643-65-0)
- 2-Trifluoromethylbenzylsulfonyl chloride (CAS 85952-32-5)
- 1-(2,3-Dihydro-1,4-benzodioxin-6-yl)hydrazine Oxalate (CAS 1177284-09-1)
- Crisaborole lmpurity 83 (CAS CATO-C4X-202183)
- 11H-Dibenzo[c,f][1,2]diazepine (CAS 256-91-7)
- (Z)-4-((2,6-dimethylphenyl)amino)-4-oxobut-2-enoic acid (CAS 31460-31-8)
- 2,3,4,5-Tetrakis(4-methoxyphenyl)tetrahydrofuran (CAS 67307-22-6)
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- 3-(Cyclopentylsulfonyl)-2-methylaniline (CAS 1508692-21-4)
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