| CAS No. | 913388-57-5 |
| Molecular Formula | C19H26BN3O5 |
| Molecular Weight | 387.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
(1-(tert-butoxycarbonyl)-5-(4-methylpiperazine-1-carbonyl)-1H-indol-2-yl)boronic acid (CAS 913388-57-5), molecular formula C19H26BN3O5 and molecular weight 387.24 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (1-(tert-butoxycarbonyl)-5-(4-methylpiperazine-1-carbonyl)-1H-indol-2-yl)boronic acid (C19H26BN3O5) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.5, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 387.24 g/mol, it falls into the moderately-high-molecular-weight range. 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.
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.
| Molecular Formula | C19H26BN3O5 |
| Molecular Weight | 387.24 g/mol |
| Appearance | Pale yellow to 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) | 8.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |