(S)-methyl 2-(tert-butoxycarbonylamino)-3-methylbutanoate 58561-04-9 Boc-L-valine methyl ester CAS 58561-04-9
| CAS No. | 58561-04-9 |
| Molecular Formula | C11H21NO4 |
| Molecular Weight | 231.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (S)-methyl 2-(tert-butoxycarbonylamino)-3-methylbutanoate 58561-04-9 Boc-L-valine methyl ester (CAS 58561-04-9), a certified reference material (molecular formula C11H21NO4, MW 231.29 g/mol) for analytical method development and quality control.
(S)-methyl 2-(tert-butoxycarbonylamino)-3-methylbutanoate 58561-04-9 Boc-L-valine methyl ester (C11H21NO4) 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.
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), (S)-methyl 2-(tert-butoxycarbonylamino)-3-methylbutanoate 58561-04-9 Boc-L-valine methyl ester 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 | C11H21NO4 |
| Molecular Weight | 231.29 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.) | 1973 |
| Nitrogen Atoms | 1 |
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