(S)-2-(tert-butoxycarbonyl)-3-hydroxy-3-methyl-2-(methylamino)butanoic acid CAS 227471-47-8
| CAS No. | 227471-47-8 |
| Molecular Formula | C11H21NO5 |
| Molecular Weight | 247.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The molecular framework of (S)-2-(tert-butoxycarbonyl)-3-hydroxy-3-methyl-2-(methylamino)butanoic acid (C11H21NO5) is characterized by an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
(S)-2-(tert-butoxycarbonyl)-3-hydroxy-3-methyl-2-(methylamino)butanoic acid (CAS 227471-47-8), molecular formula C11H21NO5 and molecular weight 247.29 g/mol, is a CATO reference standard with documented purity and traceability.
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 | C11H21NO5 |
| Molecular Weight | 247.29 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 2021 |
| Nitrogen Atoms | 1 |
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