5-Methyl-1-[tris(1-methylethyl)silyl]-1H-pyrrolo[2,3-b]pyridine CAS 918523-66-7
| CAS No. | 918523-66-7 |
| Molecular Formula | C17H28N2Si |
| Molecular Weight | 288.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-Methyl-1-[tris(1-methylethyl)silyl]-1H-pyrrolo[2,3-b]pyridine 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.
5-Methyl-1-[tris(1-methylethyl)silyl]-1H-pyrrolo[2,3-b]pyridine (CAS 918523-66-7) is a high-purity analytical reference standard with the molecular formula C17H28N2Si and a molecular weight of 288.50 g/mol.
Based on its molecular formula C17H28N2Si, 5-Methyl-1-[tris(1-methylethyl)silyl]-1H-pyrrolo[2,3-b]pyridine contains a nitrogen-containing heterocyclic scaffold, a nitrile group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 288.50 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.
Physical & Chemical Properties
| Molecular Formula | C17H28N2Si |
| Molecular Weight | 288.50 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
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