2-(2-Methoxyphenyl)-1-oxo-1,2-dihydroisoquinoline-4-carboxylic acid CAS 1429903-98-9
| CAS No. | 1429903-98-9 |
| Molecular Formula | C17H13NO4 |
| Molecular Weight | 295.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-(2-Methoxyphenyl)-1-oxo-1,2-dihydroisoquinoline-4-carboxylic acid.
CATO supplies 2-(2-Methoxyphenyl)-1-oxo-1,2-dihydroisoquinoline-4-carboxylic acid (CAS 1429903-98-9), a certified reference material (molecular formula C17H13NO4, MW 295.29 g/mol) for analytical method development and quality control.
2-(2-Methoxyphenyl)-1-oxo-1,2-dihydroisoquinoline-4-carboxylic acid (C17H13NO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 2-(2-Methoxyphenyl)-1-oxo-1,2-dihydroisoquinoline-4-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C17H13NO4 |
| Molecular Weight | 295.29 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 Methoxyphenyl Standards
- 2-(4-Methoxyphenyl)-1-oxo-1,2-dihydroisoquinoline-4-carboxylic acid (CAS 133096-36-3)
- 3-(4-Methoxyphenyl)-5-(2-nitrophenyl)-1H-pyrazole (CAS 1416738-68-5)
- N-(2-Methoxyphenyl)-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxamide (CAS 172753-16-1)
- N-(4-Methoxyphenyl)-2-oxo-2H-chromene-3-carboxamide (CAS 1846-94-2)
- (Z)-3-(((2-Methoxyphenyl)amino)methylene)chromane-2,4-dione (CAS 95522-73-9)
- 2-(2-Methoxyphenyl)-4-oxo-1,4-dihydroquinoline-6-carboxylic acid (CAS 90034-40-5)
- 2-(3-Methoxyphenyl)-1-oxo-1,2-dihydroisoquinoline-4-carboxylic acid (CAS 439141-05-6)
- 2-(4-Methoxyphenyl)-4-oxo-1,4-dihydroquinoline-6-carboxylic acid (CAS 90034-46-1)
Recommended Standards
- 3-(3-Methyl-1,2,4-oxadiazol-5-yl)-1-(2-oxo-2-phenylethyl)pyridin-2(1H)-one (CAS 1421583-50-7)
- (2R,3S,5R)-5-(6-Amino-9H-purin-9-yl)-2-((1-hydroxyethoxy)methyl)tetrahydrofuran-3-ol (CAS 142997-59-9)
- 3-(Benzo[d][1,3]dioxol-5-yl)-1-(5,7-dihydro-6H-pyrrolo[3,4-d]pyrimidin-6-yl)prop-2-en-1-one (CAS 1448139-80-7)
- N-(Pyrazolo[1,5-a]pyridin-3-ylmethyl)benzo[d][1,3]dioxole-5-carboxamide (CAS 1396854-86-6)
- 1-[4-(4-Amino-3-methoxyphenyl)-1-piperazinyl]ethanone (CAS 1021426-42-5)
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