n-(3,4-Dimethylphenyl)-2-oxo-2h-chromene-3-carboxamide CAS 304887-43-2
| CAS No. | 304887-43-2 |
| Molecular Formula | C18H15NO3 |
| Molecular Weight | 293.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
n-(3,4-Dimethylphenyl)-2-oxo-2h-chromene-3-carboxamide (C18H15NO3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies n-(3,4-Dimethylphenyl)-2-oxo-2h-chromene-3-carboxamide (CAS 304887-43-2), a certified reference material (molecular formula C18H15NO3, MW 293.32 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures n-(3,4-Dimethylphenyl)-2-oxo-2h-chromene-3-carboxamide 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 | C18H15NO3 |
| Molecular Weight | 293.32 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 2025 |
| Nitrogen Atoms | 1 |
Related n Standards
- 2-(2,4-Dimethylphenyl)-4-oxo-1,4-dihydroquinoline-6-carboxylic acid (CAS 90034-38-1)
- 2-(2,4-Dimethylphenyl)-4-oxo-1,4-dihydroquinoline-8-carboxylic acid (CAS 90034-78-9)
- N-(2,6-dimethylphenyl)-6-(1H-1,2,4-triazol-1-yl)nicotinamide (CAS 672951-15-4)
- N-(3,4-Dimethylphenyl)-1-oxo-1H-isochromene-3-carboxamide (CAS 354999-94-3)
- 4-(3,4-Dimethylphenyl)-6-(2-fluorophenyl)pyrimidin-2-amine (CAS 1354915-74-4)
- 4-(3,4-Dimethylphenyl)-6-(3-fluorophenyl)pyrimidin-2-amine (CAS 1354915-94-8)
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- 1-(2,6-Dimethylphenyl)-3-(2-methoxyphenyl)-1H-pyrazol-5-amine (CAS 1171896-46-0)
Recommended Standards
- N-(3-Methylpyridin-2-yl)-2-(5-phenylisoxazol-3-yl)acetamide (CAS 953152-55-1)
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- N-(3-Oxo-1-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2-phenylacetamide (CAS 60588-53-6)
- N-(2-benzoyl-3-methylbenzofuran-5-yl)acetamide (CAS 919746-48-8)
- Methyl 3-(benzyloxy)thiophene-2-carboxylate (CAS 186588-84-1)
- 1-(2-Bromoethyl)-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1111269-34-1)
- 2-Butyl-piperazine (CAS 90203-03-5)
- 4-(Difluoromethyl)-6-fluoro-5-nitropyridin-2-ol (CAS 1805588-76-4)
- 10-Hexylbenzo[g]pteridine-2,4(3H,10H)-dione (CAS 125219-55-8)
- 5-Iodopyridin-2(1H)-one hydrochloride (CAS 13517-31-2)
- 1-(2,3-Difluorophenyl)cyclopropanecarbonitrile (CAS 913720-09-9)
- 2-(4-(1H-Pyrazol-1-yl)benzyl)-5-chloroisothiazol-3(2H)-one (CAS 918108-06-2)
- 5-(Aminomethyl)pyridin-2-amine hydrochloride (CAS 1447671-77-3)
- Tetrapeptide-3 (CAS 827306-97-8)
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