2-(1,3-Dioxo-1H-benzo[de]isoquinolin-2(3H)-yl)-N-(2-methoxyphenyl)acetamide CAS 294668-74-9
| CAS No. | 294668-74-9 |
| Molecular Formula | C21H16N2O4 |
| Molecular Weight | 360.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(1,3-Dioxo-1H-benzo[de]isoquinolin-2(3H)-yl)-N-(2-methoxyphenyl)acetamide (CAS 294668-74-9) is a high-purity analytical reference standard with the molecular formula C21H16N2O4 and a molecular weight of 360.36 g/mol.
2-(1,3-Dioxo-1H-benzo[de]isoquinolin-2(3H)-yl)-N-(2-methoxyphenyl)acetamide (C21H16N2O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, 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.
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-(1,3-Dioxo-1H-benzo[de]isoquinolin-2(3H)-yl)-N-(2-methoxyphenyl)acetamide 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 | C21H16N2O4 |
| Molecular Weight | 360.36 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 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.) | 2025 |
| Nitrogen Atoms | 2 |
Related Dioxo Standards
- (S)-2-((1,4-Dioxo-1,4-dihydronaphthalen-2-yl)amino)-3-(1H-indol-3-yl)propanoic acid (CAS 185351-19-3)
- 2-(1,3-Dioxo-1H-benzo[de]isoquinolin-2(3H)-yl)-N-(4-methoxyphenyl)acetamide (CAS 296266-35-8)
- 4-(2,5-Dioxo-3-phenylpyrrolidin-1-yl)-3-methoxybenzenesulfonamide (CAS 65116-57-6)
- 2-(2,6-dioxo-3-piperidyl)-5-fluoro-6-piperazin-1-yl-isoindoline-1,3-dione (CAS 2222114-22-7)
- 4-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-1-((2,5-dioxopyrrolidin-1-yl)oxy)-1-oxobutane-2-sulfonic acid (CAS 1193111-46-4)
- 2-((3-Methyl-2,6-dioxo-7-phenethyl-2,3,6,7-tetrahydro-1H-purin-8-yl)thio)acetamide (CAS 313380-57-3)
- 2-(2,6-dioxo-3-piperidyl)-5-(5-hydroxypentylamino)isoindoline-1,3-dione (CAS 2736496-58-3)
- 16,18-Dioxo-17-azapentacyclo[6.6.5.0^{2,7}.0^{9,14}.0^{15,19}]nonadeca-2(7),3,5,9(14),10,12-hexaen-17-yl cyclopropanecarboxylate (CAS 478029-41-3)
Recommended Standards
- 2-((2-(Phenylcarbamoyl)phenyl)carbamoyl)benzoic acid (CAS 306324-94-7)
- 1-Cyclopentyl-3-(2-(2,4-dimethoxyphenyl)-2-oxoethyl)imidazolidine-2,4,5-trione (CAS 870762-87-1)
- 2-(2-Nitroethyl)-N-(3,4,5-trimethoxyphenyl)benzamide (CAS 339016-55-6)
- 1,4-Dihydroxy-2-(2-methoxybenzyl)anthracene-9,10-dione (CAS 63776-13-6)
- 6-(methylcarbamoyl)pyridine-2-carboxylic acid (CAS 288616-99-9)
- 2-Methoxy-5-(methoxymethyl)benzene-1-sulfonyl chloride (CAS 1291493-83-8)
- 2-(3,4-dimethoxyphenyl)-2-ethylbutanoic acid (CAS 1184828-98-5)
- 1-Cyclopropyl-3-ethynylbenzene (CAS 1378654-62-6)
- Benzyl (1-(4-(4-(4-(hydroxymethyl)phenyl)-5-methyl-6-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-1,3-dioxan-2-yl)benzyl)-2,5-dioxopyrrolidin-3-yl)carbamate (CAS 6087-75-8)
- Dinitrogen trioxide (gas) (unlabeled N<SUB>2</SUB>O<SUB>3</SUB>) (CAS 10544-73-7)
- D-allo-Isoleucine Ethyl Ester Hydrochloride (CAS 315700-65-3)
- 2-(2,4-Dimethylphenoxy)-1-(morpholin-4-yl)ethan-1-one (CAS 148183-90-8)
- Dibenzocyclooctyne-S-S-PEG3-Biotin (CAS 1430408-09-5)
- D-[Phe6]-Semaglutide (CAS CATO-C4X-2226213)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com