2-Chloro-N-cyclohexyl-5-nitrobenzamide CAS 328259-17-2
| CAS No. | 328259-17-2 |
| Molecular Formula | C13H15ClN2O3 |
| Molecular Weight | 282.72 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-Chloro-N-cyclohexyl-5-nitrobenzamide (CAS 328259-17-2), molecular formula C13H15ClN2O3 and molecular weight 282.72 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 2-Chloro-N-cyclohexyl-5-nitrobenzamide (C13H15ClN2O3) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), 2-Chloro-N-cyclohexyl-5-nitrobenzamide 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 | C13H15ClN2O3 |
| Molecular Weight | 282.72 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 3-(3-Chlorophenyl)-2-phenylpyrimidin-4(3H)-one (CAS 89069-64-7)
- (E)-3-Cyclopentyl-2-(4-(methylsulfonyl)phenyl)prop-2-en-1-ol (CAS 731017-34-8)
- 2-(3-(3-(2-Methoxyethyl)-1,2,4-oxadiazol-5-yl)propyl)isoindoline-1,3-dione (CAS 2034316-89-5)
- 2,3-Dihydrothieno[3,4-b][1,4]dioxine-5,7-dicarbaldehyde (CAS 211235-87-9)
- 4,4'-Sulfonylbis(iodobenzene) (CAS 40915-22-8)
- Esomeprazole Impurity 81 (CAS CATO-C4X-111281)
- 6-Chloro-7-methoxy-3,4-dihydro-2H-isoquinolin-1-one (CAS 1082040-71-8)
- 2-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)thio)nicotinic acid (CAS 303149-99-7)
- (4-(Allyloxy)-2-methylphenyl)methanol (CAS 865350-62-5)
- 2-(6-Oxopiperidin-2-yl)acetonitrile (CAS 1315365-59-3)
- Semaglutide impurity 71 (CAS CATO-C4X-222671)
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