| CAS No. | 1024280-79-2 |
| Molecular Formula | C22H18BrCl2NO |
| Molecular Weight | 463.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO supplies 1024280-79-2 2-(3-bromophenyl)-1-(3,4-dichlorophenyl)-6,6-dimethyl-4,5,6,7-tetrahydro-1H-indol-4-one MS-10299 (CAS 1024280-79-2), a certified reference material (molecular formula C22H18BrCl2NO, MW 463.19 g/mol) for analytical method development and quality control.
Based on its molecular formula C22H18BrCl2NO, 1024280-79-2 2-(3-bromophenyl)-1-(3,4-dichlorophenyl)-6,6-dimethyl-4,5,6,7-tetrahydro-1H-indol-4-one MS-10299 contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 463.19 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.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
| Molecular Formula | C22H18BrCl2NO |
| Molecular Weight | 463.19 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 1 |