Methyl (2S,4S)-2-((tert-butoxycarbonyl)amino)-4-cyanopentanoate CAS CATO-C3D-262884
| CAS No. | CATO-C3D-262884 |
| Molecular Formula | C12H20N2O4 |
| Molecular Weight | 256.30 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.
Methyl (2S,4S)-2-((tert-butoxycarbonyl)amino)-4-cyanopentanoate (CAS CATO-C3D-262884), molecular formula C12H20N2O4 and molecular weight 256.30 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C12H20N2O4, Methyl (2S,4S)-2-((tert-butoxycarbonyl)amino)-4-cyanopentanoate contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 256.30 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H20N2O4 |
| Molecular Weight | 256.30 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | ≥95% |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 2 |
Recommended Standards
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