| CAS No. | 2771080-69-2 |
| Molecular Formula | C22H35BClFN2O2Si |
| Molecular Weight | 452.87 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
5-Chloro-4-fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridine (CAS 2771080-69-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H35BClFN2O2Si. Molecular weight: 452.87 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
| Molecular Formula | C22H35BClFN2O2Si |
| Molecular Weight | 452.87 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |