(5Z)-5-{[(3,4-dichlorophenyl)amino]methylidene}-4-(4-fluorophenyl)-1-(4-methoxyphenyl)-2,5-dihydro-1H-pyrrol-2-one CAS 339012-09-8
| CAS No. | 339012-09-8 |
| Molecular Formula | C24H17Cl2FN2O2 |
| Molecular Weight | 455.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (5Z)-5-{[(3,4-dichlorophenyl)amino]methylidene}-4-(4-fluorophenyl)-1-(4-methoxyphenyl)-2,5-dihydro-1H-pyrrol-2-one.
(5Z)-5-{[(3,4-dichlorophenyl)amino]methylidene}-4-(4-fluorophenyl)-1-(4-methoxyphenyl)-2,5-dihydro-1H-pyrrol-2-one (CAS 339012-09-8) is a high-purity analytical reference standard with the molecular formula C24H17Cl2FN2O2 and a molecular weight of 455.31 g/mol.
Based on its molecular formula C24H17Cl2FN2O2, (5Z)-5-{[(3,4-dichlorophenyl)amino]methylidene}-4-(4-fluorophenyl)-1-(4-methoxyphenyl)-2,5-dihydro-1H-pyrrol-2-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 455.31 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (5Z)-5-{[(3,4-dichlorophenyl)amino]methylidene}-4-(4-fluorophenyl)-1-(4-methoxyphenyl)-2,5-dihydro-1H-pyrrol-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 | C24H17Cl2FN2O2 |
| Molecular Weight | 455.31 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
Related Z Standards
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Recommended Standards
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- SCH 54292 (CAS 188480-51-5)
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- cis-4-amino-1-boc-3-fluoropiperidine (CAS 577691-56-6)
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- Acetyl Tripeptide-1 (CAS 350595-76-5)
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