N-(2-(3,4-Dichlorophenyl)benzo[d]oxazol-5-yl)-4-methyl-3-nitrobenzamide CAS 331446-86-7
| CAS No. | 331446-86-7 |
| Molecular Formula | C21H13Cl2N3O4 |
| Molecular Weight | 442.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 442.25 g/mol gives N-(2-(3,4-Dichlorophenyl)benzo[d]oxazol-5-yl)-4-methyl-3-nitrobenzamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
N-(2-(3,4-Dichlorophenyl)benzo[d]oxazol-5-yl)-4-methyl-3-nitrobenzamide (CAS 331446-86-7) is a high-purity analytical reference standard with the molecular formula C21H13Cl2N3O4 and a molecular weight of 442.25 g/mol.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, N-(2-(3,4-Dichlorophenyl)benzo[d]oxazol-5-yl)-4-methyl-3-nitrobenzamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 442.25 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | C21H13Cl2N3O4 |
| Molecular Weight | 442.25 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related N Standards
- N-(2-(2,4-Dichlorophenyl)benzo[d]oxazol-5-yl)-3-methyl-4-nitrobenzamide (CAS 313667-76-4)
- N-(2-(2,5-Dichlorophenyl)benzo[d]oxazol-5-yl)-3-methyl-4-nitrobenzamide (CAS 314029-53-3)
- 2-(2,4-Dichlorophenyl)-5-{2-[3-(trifluoromethyl)phenyl]-1,3-thiazol-4-yl}-1,3,4-oxadiazole (CAS 400083-69-4)
- (((3,4-Dichlorophenyl)amino)(furan-2-yl)methyl)diphenylphosphine oxide (CAS 680212-11-7)
- 4-[(E)-2-(2,4-Dichlorophenyl)ethenyl]-8-(trifluoromethoxy)-2H,3H-thieno[3,2-c]quinoline (CAS 866133-29-1)
- n-(2,5-Dichlorophenyl)-2-mercapto-4-oxo-3-phenyl-3,4-dihydroquinazoline-7-carboxamide (CAS 885458-61-7)
- 2-(3,4-Dichlorophenyl)-N-(4-(N-(thiazol-2-yl)sulfamoyl)phenyl)acetamide (CAS 1004000-82-1)
- 1-[(3,4-Dichlorophenyl)methyl]-5-(4-phenylpiperazine-1-carbonyl)-1,2-dihydropyridin-2-one (CAS 242472-02-2)
Recommended Standards
- 849681-64-7 Diphenylacetylene-4,4'-diboronic acid bis(pinacol) ester MFCD16294524 4,4,5,5-tetramethyl-2-(4-{2-[4-(tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]ethynyl}phenyl)-1,3,2-dioxaborolane (CAS 849681-64-7)
- Diethyl 6-amino-1-(2,4-dichlorobenzamido)-2-oxo-1,2-dihydropyridine-3,5-dicarboxylate (CAS 338794-90-4)
- 4-(2,4-Dichlorobenzyl)-N-(4-fluorophenyl)-3-oxo-3,4-dihydroquinoxaline-2-carboxamide (CAS 338419-33-3)
- 2-Methoxyethyl 2-amino-4-(3,4-dichlorophenyl)-6-(hydroxymethyl)-8-oxo-4,8-dihydropyrano[3,2-b]pyran-3-carboxylate (CAS 904262-23-3)
- 4-(Difluoromethyl)-5-iodo-2-methoxypyridin-3-ol (CAS 1805455-27-9)
- 1-(2,5-Dimethylbenzyl)indoline-2,3-dione (CAS 688037-87-8)
- 2-Methyl-1-(thiazol-4-yl)propan-2-amine (CAS 1514736-02-7)
- 4-Chloro-6-fluoro-8-methylquinoline (CAS 1065093-47-1)
- Hydroxymethionine Copper Salt (CAS 790693-67-3)
- 3-Chloro-4-methylthiophene-2-carboxamide (CAS 189330-37-8)
- tert-Butyl ((5-(trifluoromethyl)pyrimidin-2-yl)methyl)carbamate (CAS 1240597-19-6)
- 2-(triphenyl-phosphanylidene)-propionic acid ethyl ester (CAS 21382-82-1)
- 3-(4-Fluorophenyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine (CAS 1449790-88-8)
- Cycloaspeptide D (CAS 691363-62-9)
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