2-(2-Methylpiperidin-1-yl)-2-oxoacetic acid CAS 77654-61-6
| CAS No. | 77654-61-6 |
| Molecular Formula | C8H13NO3 |
| Molecular Weight | 171.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-(2-Methylpiperidin-1-yl)-2-oxoacetic acid (CAS 77654-61-6), molecular formula C8H13NO3 and molecular weight 171.19 g/mol, is a CATO reference standard with documented purity and traceability.
2-(2-Methylpiperidin-1-yl)-2-oxoacetic acid (C8H13NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C8H13NO3 |
| Molecular Weight | 171.19 g/mol |
| Appearance | White to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1979 |
| Nitrogen Atoms | 1 |
Related Methylpiperidin Standards
- 2-(4-Methylpiperidin-1-yl)-2-oxoacetic acid (CAS 1018565-49-5)
- 2-(3-Methylpiperidin-1-yl)-2-oxoacetic acid (CAS 1018565-95-1)
- 3-(1-Methylpiperidin-2-yl)propanoic acid (CAS 103039-93-6)
- 2-(1-Methylpiperidin-4-yl)propanoic acid (CAS 1181234-55-8)
- Methyl 2-(1-methylpiperidin-3-yl)acetate (CAS 118299-60-8)
- Methyl 2-(5-methylpiperidin-3-yl)acetate (CAS 1818847-92-5)
- 3-(3-methylpiperidin-4-yl)propanoic acid (CAS 1909306-38-2)
- 2-(2-Methylpiperidin-1-yl)acetohydrazide (CAS 946686-25-5)
Recommended Standards
- 2-(2,6-Difluoro-3-methylphenyl)ethan-1-amine (CAS 771581-81-8)
- 2-(2-oxoazepan-3-yl)acetic acid (CAS 827-67-8)
- 2-(2,4-Difluorophenyl)propan-2-amine (CAS 306761-56-8)
- 2-(2-oxopiperidin-1-yl)propanoic acid (CAS 396129-92-3)
- 1-benzylpyrrolidine-3-carbaldehyde (CAS 72351-49-6)
- 2-Methyl-3-(methylsulfonyl)-1H-pyrrole (CAS 1707571-37-6)
- Methyl (R)-3-amino-3-(3-bromo-4-methoxyphenyl)propanoate (CAS 1212845-75-4)
- N-(5-iodopyridin-2-yl)-4-methoxybenzamide (CAS 842119-43-1)
- trans-Zeatin-O-glucoside Riboside (CAS 62512-97-4)
- 4,4'-(Oxybis(4,1-phenylene))dipyridine (CAS 133416-11-2)
- 1-(6-Bromo-5-methylpyridin-3-yl)-2,2,2-trifluoroethanone (CAS 1402148-94-0)
- 2-Amino-3-methyl-N-(5-methylthiazol-2-yl)butanamide (CAS 1105643-52-4)
- 2-amino-4-cyclopentylbutanoic acid (CAS 1378266-29-5)
- Semaglutide impurity 70 (CAS CATO-C4X-222670)
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