2-chloro-4-nitro-n-(3-pyridinyl)benZamide CAS 19142-73-5
| CAS No. | 19142-73-5 |
| Molecular Formula | C12H8ClN3O3 |
| Molecular Weight | 277.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-chloro-4-nitro-n-(3-pyridinyl)benZamide 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.
CATO supplies 2-chloro-4-nitro-n-(3-pyridinyl)benZamide (CAS 19142-73-5), a certified reference material (molecular formula C12H8ClN3O3, MW 277.66 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H8ClN3O3, 2-chloro-4-nitro-n-(3-pyridinyl)benZamide 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 277.66 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C12H8ClN3O3 |
| Molecular Weight | 277.66 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.) | 1962 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related chloro Standards
- 3-Chloro-3'-nitro-[1,1'-biphenyl]-4-carboxylic acid (CAS 1261894-36-3)
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- 5-Chloro-1-(β-D-arabinofuranosyl)cytidine, 98% (CAS 17676-65-2)
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- 2,2'-((3-Chloro-5-nitropyrazine-2,6-diyl)bis(azanediyl))diethanol (CAS 87591-68-2)
- 2-Chloro-5-nitro-N-(4-pyridyl)benzamide (CAS 313516-66-4)
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Recommended Standards
- 1-((4-Chlorobenzyl)oxy)-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile (CAS 477853-56-8)
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- 2-(3-(3-Chlorobenzyl)-2,4,5-trioxoimidazolidin-1-yl)acetonitrile (CAS 303986-46-1)
- 2-(4-Chlorophenoxy)-5-nitrobenzaldehyde (CAS 708254-50-6)
- (5,5-Dimethyl-4,5,6,7-tetrahydro-1,2-benzoxazol-3-yl)methanol (CAS 1504762-46-2)
- 2-(1-Hydroxy-4-phenylcyclohexyl)butanoic acid (CAS 5977-10-6)
- 3-Isopropyl-1H-pyrazolo[5,1-c][1,2,4]triazole (CAS 197355-86-5)
- 2-Methylbutane-1-sulfonyl chloride (CAS 78429-86-4)
- 1-(3-Bromo-5-chloropyridin-2-yl)ethan-1-one (CAS 1256823-11-6)
- 1217769-81-7 1305AD C12H15Cl2NO3 Methyl (2S,4S)-4-(3-chlorophenoxy)-2-pyrrolidinecarboxylate hydrochloride (CAS 1217769-81-7)
- 7-bromo-3-[(hydroxyimino)methyl]-4H-chromen-4-one (CAS 77652-69-8)
- N-methyl-N-(tetrahydro-2H-pyran-4-yl)piperidine-4-carboxamide (CAS 1153382-79-6)
- 4-Chloro-2-(((3-(trifluoromethoxy)phenyl)amino)methyl)phenol (CAS 1041573-47-0)
- Semaglutide Impurity 139 (CAS CATO-C4X-2226139)
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