Methyl 2-(5-methylpyridin-2-yl)acetate CAS 19946-10-2
| CAS No. | 19946-10-2 |
| Molecular Formula | C9H11NO2 |
| Molecular Weight | 165.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 165.19 g/mol gives Methyl 2-(5-methylpyridin-2-yl)acetate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Methyl 2-(5-methylpyridin-2-yl)acetate (CAS 19946-10-2) is a high-purity analytical reference standard with the molecular formula C9H11NO2 and a molecular weight of 165.19 g/mol.
Structurally, Methyl 2-(5-methylpyridin-2-yl)acetate (C9H11NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 165.19 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C9H11NO2 |
| Molecular Weight | 165.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 1 |
Related Methyl Standards
- 3-(4-Methylpyridin-2-yl)propanoic acid (CAS 1023817-41-5)
- 3-(3-Methylpyridin-4-yl)propanoic acid (CAS 1083245-64-0)
- Methyl 2-(3-methylpyridin-2-yl)acetate (CAS 1092477-78-5)
- 3-(6-Methylpyridin-3-yl)propanoic acid (CAS 118420-23-8)
- 3-(5-Methylpyridin-2-yl)propanoic acid (CAS 1256786-83-0)
- Methyl 2-(5-methylpyridin-3-yl)acetate (CAS 1256804-64-4)
- 3-(5-Methylpyridin-3-yl)propanoic acid (CAS 1256810-53-3)
- 3-(4-Methylpyridin-3-yl)propanoic acid (CAS 129483-51-8)
Recommended Standards
- Methyl 2-(4-methylpyridin-2-yl)acetate (CAS 59310-39-3)
- Methyl 2-(6-methylpyridin-2-yl)acetate (CAS 58532-56-2)
- Methyl 2-(2-methylpyridin-4-yl)acetate (CAS 69582-95-2)
- Methyl 2-(6-methylpyridin-3-yl)acetate (CAS 90610-06-3)
- 3-(Methoxymethyl)-2,3-dihydrobenzo[b][1,4]dioxin-6-amine hydrochloride (CAS 1332528-53-6)
- 3-Chloro-2-methylpyridine-4-boronic acid (CAS 2096338-94-0)
- 4-Iodo-5-methyl-1-phenyl-1H-pyrazole (CAS 342405-19-0)
- 1-methyl-1,4-diazepane-6-carboxylic acid (CAS 1780134-90-8)
- Nimodipine impurity 28 (CAS 14205-46-0)
- ((5-Nitroquinolin-8-yl)oxy)methyl isobutyryl-D-prolinate (CAS 2413547-15-4)
- (E)-tert-Butyl 2-benzylidenehydrazinecarboxylate (CAS 497164-25-7)
- 3,3-bis(1-cyclohexa-2,4-dienyl)-2-furanone 3,3-di(cyclohexa-2,4-dien-1-yl)furan-2-one 956-89-8 A845374 (CAS 956-89-8)
- 2-Amino-3-(propylthio)propanoic acid (CAS 65309-79-7)
- Semaglutide Impurity 246 (CAS CATO-C4X-2226246)
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