5-Bromo-1-((3-(4-bromophenyl)-5-(4-fluorophenyl)-4,5-dihydro-1H-pyrazol-1-yl)methyl)indoline-2,3-dione CAS 337932-32-8
| CAS No. | 337932-32-8 |
| Molecular Formula | C24H16Br2FN3O2 |
| Molecular Weight | 557.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
5-Bromo-1-((3-(4-bromophenyl)-5-(4-fluorophenyl)-4,5-dihydro-1H-pyrazol-1-yl)methyl)indoline-2,3-dione (CAS 337932-32-8) is a high-purity analytical reference standard with the molecular formula C24H16Br2FN3O2 and a molecular weight of 557.21 g/mol.
Structurally, 5-Bromo-1-((3-(4-bromophenyl)-5-(4-fluorophenyl)-4,5-dihydro-1H-pyrazol-1-yl)methyl)indoline-2,3-dione (C24H16Br2FN3O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 557.21 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 5-Bromo-1-((3-(4-bromophenyl)-5-(4-fluorophenyl)-4,5-dihydro-1H-pyrazol-1-yl)methyl)indoline-2,3-dione 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 | C24H16Br2FN3O2 |
| Molecular Weight | 557.21 g/mol |
| Appearance | Pale yellow to 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 1-(4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-Heptadecafluoroundecyl)-1h-pyrrole-2,5-dione (CAS 852527-40-3)
- AM 281 (CAS 202463-68-1)
- N-(Perfluoro-1-octanesulfonyl) Glycine (CAS 2806-24-8)
- N-Methylperfluorooctanesulfonamidoethanol (CAS 24448-09-7)
- (E)-N-Boc-4-amino-2-butenoic Acid (CAS 180913-22-8)
- 2-(tert-Butyl)-3-cyclopropoxy-6-(trifluoromethyl)pyridine (CAS 1243461-70-2)
- tert-Butyl 2-(3-methoxyphenyl)acetate (CAS 62381-21-9)
- (R)-5,5',6,6',7,7',8,8'-Octahydro-3,3'-di-1-pyrenyl-[1,1'-binaphthalene]-2,2'-diol (CAS 1636177-44-0)
- 5-[(5-Bromo-2,3-dimethoxyphenyl)methylene]-2-thioxo-4-thiazolidinone (CAS 352694-18-9)
- 4-Amino-N,2-dihydroxybenzamide (CAS 35352-91-1)
- (2-Fluoro-6-isopropoxyphenyl)boronic acid (CAS 870777-17-6)
- N-(5,6-Dihydro-4H-cyclopenta[c]isoxazol-3-yl)propionamide (CAS 698976-19-1)
- Semaglutide Impurity 14(Discontinued,See CPTD788307 ) (CAS CATO-C4X-222614)
- Des-Pro36-Tirzepatide (CAS CATO-CPTD788937)
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