3-Chloro-6-oxo-1,6-dihydropyridine-2-carboxamide CAS 1823895-72-2
| CAS No. | 1823895-72-2 |
| Molecular Formula | C6H5ClN2O2 |
| Molecular Weight | 172.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-Chloro-6-oxo-1,6-dihydropyridine-2-carboxamide 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.
3-Chloro-6-oxo-1,6-dihydropyridine-2-carboxamide (CAS 1823895-72-2) is a high-purity analytical reference standard with the molecular formula C6H5ClN2O2 and a molecular weight of 172.57 g/mol.
Based on its molecular formula C6H5ClN2O2, 3-Chloro-6-oxo-1,6-dihydropyridine-2-carboxamide contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 172.57 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 | C6H5ClN2O2 |
| Molecular Weight | 172.57 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 3-Chloro-5-methyl-2-nitropyridine (CAS 1210909-07-1)
- 6-Chloro-3-methyl-2-nitropyridine (CAS 1211516-41-4)
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- Methyl 5-chloro-3-pyridazinecarboxylate (CAS 1256786-31-8)
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Recommended Standards
- 3-Amino-5-chloropyrazine-2-carboxamide (CAS 1823889-69-5)
- 2,4-Diamino-6-chloropyrimidine-5-carbaldehyde (CAS 18740-20-0)
- 6-Chloro-5,7a-dihydro-1H-pyrazolo[3,4-d]pyrimidin-4(3aH)-one (CAS 1823870-37-6)
- 4-Chloro-3-hydroxypicolinamide (CAS 1876356-97-6)
- Methyl 1-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)piperidine-4-carboxylate (CAS 321430-51-7)
- 7-(2,2,2-Trifluoroacetamido)-6,7-dihydro-5H-indeno[5,6-d][1,3]dioxol-5-yl thiophene-2-carboxylate (CAS 866131-64-8)
- Panaxynol (CAS 21852-80-2)
- 2,2-Didecylpropane-1,3-dithiol (CAS 302931-65-3)
- 4-Bromo-3-chloro-N,N-diethylbenzylamine (CAS 1414870-60-2)
- [2-(Mesityloxy)ethyl]amine hydrochloride (CAS 1048664-12-5)
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- 2-[2-(Dimethylamino)ethoxy]benzylamine (CAS 91215-97-3)
- Semaglutide impurity 104(Fmoc-D-His-Aib) (CAS 2171211-18-8)
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