(R)-Benzyl 2-(((R)-2-((tert-butoxycarbonyl)amino)-3-methylbutanoyl)oxy)-3-methylbutanoate CAS 14487-26-4
| CAS No. | 14487-26-4 |
| Molecular Formula | C22H33NO6 |
| Molecular Weight | 407.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
(R)-Benzyl 2-(((R)-2-((tert-butoxycarbonyl)amino)-3-methylbutanoyl)oxy)-3-methylbutanoate (CAS 14487-26-4), molecular formula C22H33NO6 and molecular weight 407.50 g/mol, is a CATO reference standard with documented purity and traceability.
(R)-Benzyl 2-(((R)-2-((tert-butoxycarbonyl)amino)-3-methylbutanoyl)oxy)-3-methylbutanoate (C22H33NO6) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C22H33NO6 |
| Molecular Weight | 407.50 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 1 |
Recommended Standards
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