| CAS No. | 128564-66-9 |
| Molecular Formula | C17H26BrNSi |
| Molecular Weight | 352.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
5-Bromo-1-[tris(propan-2-yl)silyl]-1H-indole (CAS 128564-66-9) is a high-purity analytical reference standard with the molecular formula C17H26BrNSi and a molecular weight of 352.38 g/mol.
Structurally, 5-Bromo-1-[tris(propan-2-yl)silyl]-1H-indole (C17H26BrNSi) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 352.38 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 5-Bromo-1-[tris(propan-2-yl)silyl]-1H-indole 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.
| Molecular Formula | C17H26BrNSi |
| Molecular Weight | 352.38 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| 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.) | 1993 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |