5-Bromo-4-chloro-1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridine CAS 685513-96-6
| CAS No. | 685513-96-6 |
| Molecular Formula | C16H24BrClN2Si |
| Molecular Weight | 387.82 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine/bromine substitution, 5-Bromo-4-chloro-1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridine is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 387.82 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 5-Bromo-4-chloro-1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridine (CAS 685513-96-6), a certified reference material (molecular formula C16H24BrClN2Si, MW 387.82 g/mol) for analytical method development and quality control.
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), 5-Bromo-4-chloro-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.
Physical & Chemical Properties
| Molecular Formula | C16H24BrClN2Si |
| Molecular Weight | 387.82 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/Br-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- (3,3-Difluoro-1,5,5-trimethylcyclohexyl)methanamine hydrochloride (CAS 1363404-72-1)
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- Semaglutide impurity 77 (CAS CATO-C4X-222677)
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