| CAS No. | 102195-80-2 |
| Molecular Formula | C11H17NO5 |
| Molecular Weight | 243.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
<I>N</I>-Boc-4-oxo-<SC>L</SC>-proline methyl ester (CAS 102195-80-2), molecular formula C11H17NO5 and molecular weight 243.26 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H17NO5, <I>N</I>-Boc-4-oxo-<SC>L</SC>-proline methyl ester 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 243.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), <I>N</I>-Boc-4-oxo-<SC>L</SC>-proline 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.
| Molecular Formula | C11H17NO5 |
| Molecular Weight | 243.26 g/mol |
| Appearance | Off-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 methanol, ethanol, DMSO |
| 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 |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 1 |