(Z)-5-Bromo-3-((4,5,6,7-tetrahydro-1H-indol-2-yl)methylene)indolin-2-one CAS 288144-20-7
| CAS No. | 288144-20-7 |
| Molecular Formula | C17H15BrN2O |
| Molecular Weight | 343.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(Z)-5-Bromo-3-((4,5,6,7-tetrahydro-1H-indol-2-yl)methylene)indolin-2-one (CAS 288144-20-7), molecular formula C17H15BrN2O and molecular weight 343.22 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C17H15BrN2O, (Z)-5-Bromo-3-((4,5,6,7-tetrahydro-1H-indol-2-yl)methylene)indolin-2-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 343.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), (Z)-5-Bromo-3-((4,5,6,7-tetrahydro-1H-indol-2-yl)methylene)indolin-2-one 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 | C17H15BrN2O |
| Molecular Weight | 343.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
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