(2Z)-2-[(3-Bromophenyl)methylidene]-7-(4-chlorophenoxy)-3-phenyl-2,3-dihydro-1H-inden-1-one CAS 337921-37-6
| CAS No. | 337921-37-6 |
| Molecular Formula | C28H18BrClO2 |
| Molecular Weight | 501.80 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2Z)-2-[(3-Bromophenyl)methylidene]-7-(4-chlorophenoxy)-3-phenyl-2,3-dihydro-1H-inden-1-one (CAS 337921-37-6), molecular formula C28H18BrClO2 and molecular weight 501.80 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (2Z)-2-[(3-Bromophenyl)methylidene]-7-(4-chlorophenoxy)-3-phenyl-2,3-dihydro-1H-inden-1-one (C28H18BrClO2) contains a steroid core, a hydroxyl group, an ether linkage, chlorine/bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 19.0, corresponding to approximately 19 ring(s) or double-bond equivalent(s). With a molecular weight of 501.80 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.
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.
CATO manufactures (2Z)-2-[(3-Bromophenyl)methylidene]-7-(4-chlorophenoxy)-3-phenyl-2,3-dihydro-1H-inden-1-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C28H18BrClO2 |
| Molecular Weight | 501.80 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl/Br-containing |
Related Z Standards
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