N-(2-(4-Chlorobenzyl)benzo[d]oxazol-5-yl)-4-nitrobenzamide CAS 785836-68-2
| CAS No. | 785836-68-2 |
| Molecular Formula | C21H14ClN3O4 |
| Molecular Weight | 407.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 407.81 g/mol gives N-(2-(4-Chlorobenzyl)benzo[d]oxazol-5-yl)-4-nitrobenzamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
N-(2-(4-Chlorobenzyl)benzo[d]oxazol-5-yl)-4-nitrobenzamide (CAS 785836-68-2), molecular formula C21H14ClN3O4 and molecular weight 407.81 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C21H14ClN3O4, N-(2-(4-Chlorobenzyl)benzo[d]oxazol-5-yl)-4-nitrobenzamide contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 407.81 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
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 | C21H14ClN3O4 |
| Molecular Weight | 407.81 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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.) | 1986 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related N Standards
- 2-((5-((3-Chlorobenzyl)thio)-1,3,4-thiadiazol-2-yl)thio)-N-phenylacetamide (CAS 494763-23-4)
- 3-(((4-Chlorobenzyl)thio)methyl)-4-ethyl-5-((3-fluorobenzyl)thio)-4H-1,2,4-triazole (CAS 344269-80-3)
- 2,6-Bis((2-chlorobenzyl)thio)pyrimidin-4-amine (CAS 6299-26-9)
- 1-(4-Chlorobenzyl)-3-((2,6-dichlorobenzyl)oxy)-2-methylpyridin-4(1H)-one (CAS 338965-43-8)
- 6-(4-Chlorobenzyl)-1-(3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-3-methyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one (CAS 89889-81-6)
- 1-(3-Chlorobenzyl)-2-oxo-N-(3-(trifluoromethyl)phenyl)-1,2-dihydropyridine-3-carboxamide (CAS 338754-86-2)
- 2-((4-Chlorobenzyl)amino)-1,1-bis(4-chlorophenyl)ethanol (CAS 321432-78-4)
- 1-(2-Chlorobenzyl)-3-[4-(1,1-dichloro-2,2-difluoro-ethoxy)phenyl]urea (CAS 94336-05-7)
Recommended Standards
- Amlodipine Metabolite 5 (CAS 114018-75-6)
- N-(5-(5-Chlorobenzo[d]oxazol-2-yl)-2-methylphenyl)-3-nitrobenzamide (CAS 313953-44-5)
- Ethyl 1,5-dimethyl-4,6-dioxo-2,4,5,6-tetrahydro-1H-pyrazolo[3,4-d]pyrimidine-3-carboxylate (CAS 7354-92-9)
- Efavirenz Impurity 9 (CAS 209414-26-6)
- 6-Amino-5-fluorobenzo[c][1,2]oxaborol-1(3H)-ol (CAS 943311-50-0)
- 5-Phenyl-4-(piperidin-1-yl)-5H-indeno[1,2-d]pyrimidine (CAS 28858-10-8)
- 5-Bromo-N-ethylpentanamide (CAS 179011-80-4)
- Carfilzomib Impurity 72 (CAS CATO-C4X-102272)
- (2R,3R,4S,5S,6S)-2-(acetoxymethyl)-6-(2-chloroethoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 849420-02-6)
- Cysteamine Impurity 2 (CAS 51859-63-3)
- 4-(Aminomethyl)-3-methylheptan-3-ol (CAS 1512187-36-8)
- Domperidone Impurity 38 (CAS CATO-C4X-142038)
- Diammonium Cerium(IV) Sulfate (CAS 7637-03-8)
- Tirzepatide Impurity 23 X TFA Salt (CAS CATO-C4X-324023)
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