<I>N</I>(α), <I>N</I>-(im)-di-Boc-<SC>L</SC>-histidine methyl ester CAS 17791-51-4
| CAS No. | 17791-51-4 |
| Molecular Formula | C17H31N3O6 |
| Molecular Weight | 373.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of <I>N</I>(α), <I>N</I>-(im)-di-Boc-<SC>L</SC>-histidine methyl ester is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies <I>N</I>(α), <I>N</I>-(im)-di-Boc-<SC>L</SC>-histidine methyl ester (CAS 17791-51-4), a certified reference material (molecular formula C17H31N3O6, MW 373.44 g/mol) for analytical method development and quality control.
<I>N</I>(α), <I>N</I>-(im)-di-Boc-<SC>L</SC>-histidine methyl ester (C17H31N3O6) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C17H31N3O6 |
| Molecular Weight | 373.44 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 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 |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 3 |
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