(R)-1-(tert-Butoxycarbonyl)-3,3-dimethyl-1,3-azasilolidine-5-carboxylic acid CAS 268224-29-9
| CAS No. | 268224-29-9 |
| Molecular Formula | C11H21NO4Si |
| Molecular Weight | 259.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (R)-1-(tert-Butoxycarbonyl)-3,3-dimethyl-1,3-azasilolidine-5-carboxylic acid is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
(R)-1-(tert-Butoxycarbonyl)-3,3-dimethyl-1,3-azasilolidine-5-carboxylic acid (CAS 268224-29-9), molecular formula C11H21NO4Si and molecular weight 259.37 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H21NO4Si, (R)-1-(tert-Butoxycarbonyl)-3,3-dimethyl-1,3-azasilolidine-5-carboxylic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 259.37 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
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 | C11H21NO4Si |
| Molecular Weight | 259.37 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.) | 2025 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 1-tert-butoxycarbonyl-3,3-dimethyl-1,3-azasilolidine-5-carboxylic acid (CAS 1822551-68-7)
- (R)-2-(Benzo[b]thiophen-2-yl)-4-(tert-butyl)-4,5-dihydrooxazole (CAS 2757084-01-6)
- 5-Phenethyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridin-2-amine (CAS 17899-56-8)
- (S)-2-(Benzo[b]thiophen-2-yl)-4-(tert-butyl)-4,5-dihydrooxazole (CAS 541549-96-6)
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- 2-Cyano-N-(3,5-dimethylphenyl)-3-(pyridin-3-yl)propanamide (CAS 483359-20-2)
- Ac-p-bromo-DL-Phe-OH (CAS 273730-59-9)
- 3-(4-bromo-2H-1,2,3-triazol-2-yl)propyl methanesulfonate (CAS CATO-C3D-262327)
- Cloperastine Impurity 2 (CAS 4960-10-5)
- Fibrinogen Related Peptide (CAS 80755-86-8)
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