2,4-Dichloro-N-(7-hydroxy-2-oxo-2H-chromen-3-yl)benzamide CAS 338755-90-1
| CAS No. | 338755-90-1 |
| Molecular Formula | C16H9Cl2NO4 |
| Molecular Weight | 350.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2,4-Dichloro-N-(7-hydroxy-2-oxo-2H-chromen-3-yl)benzamide (CAS 338755-90-1), a certified reference material (molecular formula C16H9Cl2NO4, MW 350.15 g/mol) for analytical method development and quality control.
2,4-Dichloro-N-(7-hydroxy-2-oxo-2H-chromen-3-yl)benzamide (C16H9Cl2NO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point, 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).
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), 2,4-Dichloro-N-(7-hydroxy-2-oxo-2H-chromen-3-yl)benzamide 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 | C16H9Cl2NO4 |
| Molecular Weight | 350.15 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichloro Standards
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Recommended Standards
- (3,4-Dichlorophenyl)(3-methyl-5-nitrobenzofuran-2-yl)methanone (CAS 400076-04-2)
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- (2Z)-2-(4-Iodophenyl)-3-phenylacrylic acid (CAS 25229-69-0)
- 3-Ethoxy-5-iodo-4-propoxybenzoic acid (CAS 723245-46-3)
- 8-Methyl-2-(3-propoxyphenyl)quinoline-4-carbonyl chloride (CAS 1160254-63-6)
- 1-Amino-1H-indol-4-ol (CAS 877470-52-5)
- 3-((1R,3R)-3-(((R)-2-(3-Chlorophenyl)-2-hydroxyethyl)amino)cyclohexyl)phenol (CAS 190063-23-1)
- (3-Bromo-4-methoxy-5-nitrophenyl)methanol (CAS 2386434-21-3)
- (R)-Tetrahydrofuran-2-carboxamide (CAS 539820-25-2)
- 5-(tert-Butylthio)-2-methoxy-4-methylpyridine (CAS 1355207-23-6)
- N-(4-Chlorobenzyl)-7-(furan-2-yl)-1,4-thiazepane-4-carboxamide (CAS 1706298-92-1)
- tert-Butyl 6-oxo-5-oxa-2,7-diazaspiro[3.4]octane-2-carboxylate (CAS 1799438-98-4)
- 1-Bromo-2-fluoro-3-iodo-4-methoxybenzene (CAS 1628450-73-6)
- Des-Ala28-Tirzepatide (CAS CATO-CPTD788945)
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