(2S,3R)-3-Methylaspartic acid HCl CAS 140170-62-3
| CAS No. | 140170-62-3 |
| Molecular Formula | C5H9NO4 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 183.59 g/mol gives (2S,3R)-3-Methylaspartic acid HCl distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(2S,3R)-3-Methylaspartic acid HCl (CAS 140170-62-3) is a high-purity analytical reference standard with the molecular formula C5H9NO4HCl and a molecular weight of 183.59 g/mol.
Based on its molecular formula C5H9NO4HCl, (2S,3R)-3-Methylaspartic acid HCl contains a carbohydrate-derived structure, an amide group, chlorine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 183.59 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C5H9NO4 HCl |
| Molecular Weight | 183.59 g/mol |
| 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 methanol, ethanol, DMSO, water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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- Semaglutide impurity 45 (CAS CATO-C4X-222645)
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