2-(2,4-Dimethoxyphenyl)-1-oxo-1,2-dihydroisoquinoline-4-carboxylic acid CAS 1429901-97-2
| CAS No. | 1429901-97-2 |
| Molecular Formula | C18H15NO5 |
| Molecular Weight | 325.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-(2,4-Dimethoxyphenyl)-1-oxo-1,2-dihydroisoquinoline-4-carboxylic acid is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2-(2,4-Dimethoxyphenyl)-1-oxo-1,2-dihydroisoquinoline-4-carboxylic acid (CAS 1429901-97-2), molecular formula C18H15NO5 and molecular weight 325.32 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H15NO5, 2-(2,4-Dimethoxyphenyl)-1-oxo-1,2-dihydroisoquinoline-4-carboxylic acid contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 325.32 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.
As a certified reference material (CRM), 2-(2,4-Dimethoxyphenyl)-1-oxo-1,2-dihydroisoquinoline-4-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C18H15NO5 |
| Molecular Weight | 325.32 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.) | 1991 |
| Nitrogen Atoms | 1 |
Related Dimethoxyphenyl Standards
- N-(3,5-Dimethoxyphenyl)-8-nitroisoquinolin-5-amine (CAS 1090479-06-3)
- 2-(2,5-Dimethoxyphenyl)-1-oxo-1,2-dihydroisoquinoline-4-carboxylic acid (CAS 1429903-79-6)
- 2-(2,4-Dimethoxyphenyl)-4-oxo-1,4-dihydroquinoline-6-carboxylic acid (CAS 90034-48-3)
- 2-(3,4-Dimethoxyphenyl)-4-oxo-1,4-dihydroquinoline-6-carboxylic acid (CAS 90034-50-7)
- 2-(3,4-Dimethoxyphenyl)-4-oxo-1,4-dihydroquinoline-8-carboxylic acid (CAS 90034-82-5)
- N-(2,5-Dimethoxyphenyl)-4-(1H-tetrazol-1-yl)benzamide (CAS 851722-68-4)
- n-(3,4-Dimethoxyphenyl)-2-(1h-indazol-3-yl)-n-methylacetamide (CAS 1427962-22-8)
- 1-Benzyl-4-(2,4-dimethoxyphenyl)-3-methyl-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 861206-38-4)
Recommended Standards
- 4-Nitrophenyl 2-(2-tert-butoxy-2-oxoethyl)-2-methylhydrazinecarboxylate (CAS 1398504-08-9)
- (E)-N-(2-(3-(1H-Imidazol-1-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-3-(furan-2-yl)acrylamide (CAS 1396891-61-4)
- 2′-O-(2-Methoxyethyl)adenosine (CAS 168427-74-5)
- (2R,3R,4S,5R)-2-(6-((2-Hydroxyethyl)(methyl)amino)-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (CAS 138333-52-5)
- 1-(4-Bromo-2-chloro-5-fluorophenyl)-1H-imidazole (CAS 1809158-00-6)
- Arginine Ethyl Ester (CAS 28696-31-3)
- (R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-(2-methoxyphenyl)acetic acid (CAS 1217838-25-9)
- 4-Amino-2-methylpyrimidine-5-carbothioamide (CAS 82302-19-0)
- 2-Methyl-6-pyrrolidin-2-yl-pyrazine dihydrochloride (CAS 1361113-62-3)
- N,N'-(1,3-Phenylene)dibenzamide (CAS 17223-18-6)
- 2-(Hydroxymethyl)-4-methyl-1-phenylpyrazolidin-3-one (CAS 5674-50-0)
- 2,6-dimethyl-4'-methoxybenzophenone (CAS 52629-41-1)
- 5-Acetyl-2-fluorophenylboronic Acid (CAS 870777-29-0)
- D-[Ser]8-Liraglutide (CAS CATO-C4X-199238)
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