6-Chloro-N-(4-chlorophenyl)-2H-chromene-3-carboxamide CAS 288861-05-2
| CAS No. | 288861-05-2 |
| Molecular Formula | C16H11Cl2NO2 |
| Molecular Weight | 320.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 320.17 g/mol gives 6-Chloro-N-(4-chlorophenyl)-2H-chromene-3-carboxamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
6-Chloro-N-(4-chlorophenyl)-2H-chromene-3-carboxamide (CAS 288861-05-2), molecular formula C16H11Cl2NO2 and molecular weight 320.17 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 6-Chloro-N-(4-chlorophenyl)-2H-chromene-3-carboxamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 320.17 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C16H11Cl2NO2 |
| Molecular Weight | 320.17 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 |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
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Recommended Standards
- Methyl 4-((tert-butoxycarbonyl)amino)-2,6-dichlorobenzoate (CAS 409127-35-1)
- N-(2,4-dichlorophenyl)-2H-chromene-3-carboxamide (CAS 338760-94-4)
- 5-[(3,4-Dichlorophenoxy)methyl]-3-phenyl-1,2-oxazole (CAS 478066-22-7)
- N-(3,4-dichlorophenyl)-2H-chromene-3-carboxamide (CAS 338761-00-5)
- (6-Bromoindolin-2-yl)methanol (CAS 1391330-96-3)
- N-(2-Bromo-5-fluorobenzyl)-N-ethylethanamine (CAS 1704066-73-8)
- 2-Chloro-3-{[3-(1H-imidazol-1-yl)propyl]amino}-1,4-dihydronaphthalene-1,4-dione (CAS 255731-20-5)
- 2,7-Diazaspiro[4.4]nonan-1-one (CAS 1203796-97-7)
- N-(p-Tolyl)acrylamide (CAS 7766-36-1)
- 5,6-Difluorobenzofuroxan (CAS 171111-70-9)
- 2-(Benzyloxy)acetic acid (CAS 30379-55-6)
- 93088-18-7 Piperazine, 1-veratryl-, dihydrochloride Dichlorhydrate de dimethoxy-3,4 benzyl piperazine [French] 1-Veratrylpiperazine dihydrochloride Dichlorhydrate de dimethoxy-3,4 benzyl piperazine (CAS 93088-18-7)
- 3-Amino-1-fluoro-4-phenylbutan-2-ol (CAS 105608-78-4)
- Semaglutide impurity 86 (CAS CATO-C4X-222686)
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