tert-Butyl ((S)-1-((S)-2-amino-3-methylbutanoyl)pyrrolidin-3-yl)(isopropyl)carbamate CAS 1401667-49-9
| CAS No. | 1401667-49-9 |
| Molecular Formula | C17H33N3O3 |
| Molecular Weight | 327.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
tert-Butyl ((S)-1-((S)-2-amino-3-methylbutanoyl)pyrrolidin-3-yl)(isopropyl)carbamate (CAS 1401667-49-9), molecular formula C17H33N3O3 and molecular weight 327.46 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, tert-Butyl ((S)-1-((S)-2-amino-3-methylbutanoyl)pyrrolidin-3-yl)(isopropyl)carbamate is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 327.46 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).
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.
Physical & Chemical Properties
| Molecular Formula | C17H33N3O3 |
| Molecular Weight | 327.46 g/mol |
| Appearance | White to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 3 |
Recommended Standards
- [(R)-1-((S)-2-Amino-3-methyl-butyryl)-piperidin-3-yl]-methyl-carbamic acid tert-butyl ester (CAS 1401667-27-3)
- (S)-tert-Butyl 2-(((S)-2-amino-N-ethyl-3-methylbutanamido)methyl)pyrrolidine-1-carboxylate (CAS 1401667-52-4)
- tert-Butyl ((R)-1-((S)-2-amino-3-methylbutanoyl)pyrrolidin-3-yl)(isopropyl)carbamate (CAS 1401666-07-6)
- (S)-tert-Butyl 3-((S)-2-amino-N-isopropyl-3-methylbutanamido)pyrrolidine-1-carboxylate (CAS 1401667-68-2)
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