(4-Chloro-3-nitrophenyl)(pyridin-4-yl)methanone CAS 62946-43-4
| CAS No. | 62946-43-4 |
| Molecular Formula | C12H7ClN2O3 |
| Molecular Weight | 262.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
(4-Chloro-3-nitrophenyl)(pyridin-4-yl)methanone (CAS 62946-43-4), molecular formula C12H7ClN2O3 and molecular weight 262.65 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C12H7ClN2O3, (4-Chloro-3-nitrophenyl)(pyridin-4-yl)methanone contains a nitrogen-containing heterocyclic scaffold, 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 262.65 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).
As a certified reference material (CRM), (4-Chloro-3-nitrophenyl)(pyridin-4-yl)methanone 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 | C12H7ClN2O3 |
| Molecular Weight | 262.65 g/mol |
| Appearance | Pale yellow to 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- [1,1′-Binaphthalen]-2-amine, 2′-(diphenylphosphino)-N-methyl-N-(1-methylethyl)-, (1R)- (CAS 216369-08-3)
- 1-(1-Isopropyl-1H-pyrazol-4-yl)-N-((1-methyl-1H-pyrazol-3-yl)methyl)methanamine hydrochloride (CAS 1856054-70-0)
- 2-(1-(((9H-fluoren-9-yl)methoxy)carbonyl)piperidin-2-yl)acetic acid (CAS 683220-37-3)
- 5,5-dimethyl-5H-thieno[3,2-b]pyran (CAS 129969-32-0)
- 2,2'-Dichloro-4,4'-bipyridine (CAS 53344-74-4)
- Semaglutide impurity 26 (CAS CATO-C4X-222626)
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