2-(2,5-Dimethoxyphenyl)-7,8-dimethylquinoline-4-carboxylic acid CAS 895966-70-8
| CAS No. | 895966-70-8 |
| Molecular Formula | C20H19NO4 |
| Molecular Weight | 337.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(2,5-Dimethoxyphenyl)-7,8-dimethylquinoline-4-carboxylic acid (CAS 895966-70-8) is a high-purity analytical reference standard with the molecular formula C20H19NO4 and a molecular weight of 337.37 g/mol.
Structurally, 2-(2,5-Dimethoxyphenyl)-7,8-dimethylquinoline-4-carboxylic acid (C20H19NO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 337.37 g/mol, it falls into the moderately-high-molecular-weight range. 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.
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 | C20H19NO4 |
| Molecular Weight | 337.37 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Related Dimethoxyphenyl Standards
- (4Z)-4-{[(2,4-dimethoxyphenyl)amino]methylidene}-3-methyl-1-phenyl-4,5-dihydro-1H-pyrazol-5-one (CAS 320425-02-3)
- 2-((3,5-Dimethoxyphenyl)amino)-N-(isoquinolin-6-yl)acetamide (CAS 920513-62-8)
- 2-(2,5-Dimethoxyphenyl)-6,8-dimethylquinoline-4-carboxylic acid (CAS 897554-62-0)
- 2-(3,4-Dimethoxyphenyl)-6,8-dimethylquinoline-4-carboxylic acid (CAS 492997-55-4)
- 2-(3,4-Dimethoxyphenyl)-6-methylquinoline-4-carbohydrazide (CAS 590355-39-8)
- 4-((2,4-Dimethoxyphenyl)amino)-4-oxo-2-(piperazin-1-yl)butanoic acid (CAS 899964-63-7)
- 2-(3,4-Dimethoxyphenyl)ethyl N-(3-methoxythiophen-2-yl)carbamate (CAS 477845-96-8)
- 8-(2,5-Dimethoxyphenyl)-6-methyl-3,4,5,8-tetrahydro-2H-1,4-ethano-1,5-naphthyridine-7-carbonitrile (CAS 860644-72-0)
Recommended Standards
- 2-(2-Methylpropyl)-1,3-dioxo-n-[(pyridin-3-yl)methyl]-2,3-dihydro-1h-isoindole-5-carboxamide (CAS 518022-01-0)
- 2-(2,4-Diethoxyphenyl)quinoline-4-carboxylic acid (CAS 350997-55-6)
- 2-(3-(2-Phenyl-1,3-dioxolan-2-yl)propyl)isoindoline-1,3-dione (CAS 3308-99-4)
- 2-(2-(4-Methylpiperazin-1-yl)-2-oxoethyl)-1H-benzo[de]isoquinoline-1,3(2H)-dione (CAS 326907-63-5)
- 5-chloro-1-methyl-2,3-dihydro-1H-indol-2-one (CAS 41192-33-0)
- 2-((1-(2-(4-Fluorophenyl)-2-oxoethyl)piperidin-4-yl)methyl)isoindolin-1-one hydrochloride (CAS 359625-80-2)
- (R)-2-(2-(tert-butoxycarbonyl)-1,2,3,4-tetrahydroisoquinolin-3-yl)acetic acid (CAS 332064-64-9)
- 1-(3-Aminopyrrolidin-1-yl)-2-(2-methoxyphenyl)ethan-1-one hydrochloride (CAS 1590499-91-4)
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- 3-(Azepan-1-ylsulfonyl)-4-chloro-N-(pyridin-3-yl)benzamide (CAS 377763-51-4)
- (S)-2-methyl-N-[(1E)-1-{7-oxabicyclo[2.2.1]heptan-2-yl}ethylidene]propane-2-sulfinamide (CAS 2003188-75-6)
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- 4-(2-Carboxyethyl)benzoic Acid (CAS 38628-51-2)
- Tirzepatide Impurity 10 (CAS CATO-C4X-324010)
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