4,5-Dichloro-1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridine CAS 685513-95-5
| CAS No. | 685513-95-5 |
| Molecular Formula | C16H24Cl2N2Si |
| Molecular Weight | 343.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4,5-Dichloro-1-(triisopropylsilyl)-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.
4,5-Dichloro-1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridine (CAS 685513-95-5) is a high-purity analytical reference standard with the molecular formula C16H24Cl2N2Si and a molecular weight of 343.37 g/mol.
Based on its molecular formula C16H24Cl2N2Si, 4,5-Dichloro-1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 343.37 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C16H24Cl2N2Si |
| Molecular Weight | 343.37 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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