1-(4-Methylpyridin-3-yl)ethanone hydrochloride CAS 24476-58-2
| CAS No. | 24476-58-2 |
| Molecular Formula | C8H9NO |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-(4-Methylpyridin-3-yl)ethanone hydrochloride is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
1-(4-Methylpyridin-3-yl)ethanone hydrochloride (CAS 24476-58-2) is a high-purity analytical reference standard with the molecular formula C8H9NOHCl and a molecular weight of 171.62 g/mol.
1-(4-Methylpyridin-3-yl)ethanone hydrochloride (C8H9NOHCl) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
As a certified reference material (CRM), 1-(4-Methylpyridin-3-yl)ethanone hydrochloride 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 | C8H9NO HCl |
| Molecular Weight | 171.62 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 tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Methylpyridin Standards
- 2-(4-Methylpyridin-3-yl)ethan-1-amine (CAS 1000504-51-7)
- 3-(2-Methylpyridin-4-yl)propan-1-amine (CAS 1000507-72-1)
- 3-(6-methylpyridin-2-yl)propan-1-amine (CAS 1000510-50-8)
- 3-(3-methylpyridin-2-yl)propan-1-amine (CAS 1000512-96-8)
- 2-(5-Methylpyridin-3-yl)acetic Acid (CAS 1000518-77-3)
- 3-(3-Methylpyridin-4-yl)propan-1-amine (CAS 1000521-04-9)
- 2-(5-Methylpyridin-3-yl)ethan-1-amine (CAS 1000539-55-8)
- 3-(4-Methylpyridin-2-yl)propan-1-amine (CAS 1000548-43-5)
Recommended Standards
- 6-Fluoro-1,5-dimethylpyrimidine-2,4(1H,3H)-dione (CAS 112706-72-6)
- N-(thiophen-3-ylmethyl)methanesulfonamide (CAS 1207045-44-0)
- Ethyl 4-(5,6,7,8-Tetrahydro-1,8-naphthyridin-2-yl)butanoate (CAS 193818-30-3)
- 2-Methyl-4-((tetrahydro-2H-pyran-2-yl)oxy)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde (CAS 1265359-19-0)
- 1,5-Difluoro-2-methoxy-3-nitrobenzene (CAS 441-31-6)
- (4-Phenoxyphenyl)(quinolin-3-yl)methanone (CAS 1187168-35-9)
- 4-(4-Chlorophenyl)-5-(trifluoromethyl)-1H-pyrazol-3-amine (CAS 63156-76-3)
- 3,5-Dichloro-4-[(3-fluorobenzyl)oxy]benzaldehyde (CAS 428465-86-5)
- n-(3-Chloro-4-fluorobenzyl)-3-methylbutan-2-amine (CAS 1248429-49-3)
- Semaglutide Impurity 149 (CAS CATO-C4X-2226149)
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