2-(2-(4-Chlorophenyl)-4-phenylthiazol-5-yl)-N-(2,4-difluorophenyl)acetamide CAS 338957-20-3
| CAS No. | 338957-20-3 |
| Molecular Formula | C23H15ClF2N2OS |
| Molecular Weight | 440.89 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(2-(4-Chlorophenyl)-4-phenylthiazol-5-yl)-N-(2,4-difluorophenyl)acetamide (CAS 338957-20-3) is a high-purity analytical reference standard with the molecular formula C23H15ClF2N2OS and a molecular weight of 440.89 g/mol.
Based on its molecular formula C23H15ClF2N2OS, 2-(2-(4-Chlorophenyl)-4-phenylthiazol-5-yl)-N-(2,4-difluorophenyl)acetamide contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 440.89 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), 2-(2-(4-Chlorophenyl)-4-phenylthiazol-5-yl)-N-(2,4-difluorophenyl)acetamide 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 | C23H15ClF2N2OS |
| Molecular Weight | 440.89 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chlorophenyl Standards
- 2-(2-(2-Chlorophenyl)-4-phenylthiazol-5-yl)-N-(2,4-difluorophenyl)acetamide (CAS 338957-30-5)
- Methyl 3-((7-(4-chlorophenyl)-4-oxothieno[3,2-d]pyrimidin-3(4H)-yl)methyl)-4-methoxybenzoate (CAS 1105223-62-8)
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- 5-(4-Chlorophenyl)-4-(4-ethoxybenzoyl)-3-hydroxy-1-(thiazol-2-yl)-1,5-dihydro-2h-pyrrol-2-one (CAS 380584-15-6)
- 7-(4-Chlorophenyl)-2-(4-(2-fluorophenyl)piperazin-1-yl)thieno[3,2-d]pyrimidin-4(1H)-one (CAS 1226430-85-8)
- 2-(4-(3-Chlorophenyl)piperazin-1-yl)-7-(3-fluorophenyl)thieno[3,2-d]pyrimidin-4(1H)-one (CAS 1243004-67-2)
- 2-(4-(2-Chlorophenyl)piperazin-1-yl)-7-(3-fluorophenyl)thieno[3,2-d]pyrimidin-4(1H)-one (CAS 1243061-78-0)
Recommended Standards
- Dorzagliatin Impurity 15 (CAS CATO-C4X-344115)
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- 2-Amino-3-(o-tolyl)propanoic acid (CAS 22888-51-3)
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- 3,4-Dimethyl-2,7-dihydro-6H-pyrazolo[3,4-b]pyridin-6-one (CAS 63928-61-0)
- Pemetrexed Impurity 74 (CAS CATO-C4X-172674)
- 2-Ethyl-1-(2-methoxyethyl)-1h-benzimidazole-5-carboxylic acid (CAS 943113-60-8)
- Ethyl 2,3-dihydro-1H-pyrrolo[2,3-b]pyridine-4-carboxylate (CAS 2091271-28-0)
- 6'-Methoxy-[2,3'-bipyridin]-5-amine (CAS 835876-08-9)
- 2-pyridazin-4-ylethanamine (CAS 1083337-92-1)
- 1-(4-Chloro-2-(methylsulfonyl)phenyl)piperazine (CAS 849035-68-3)
- Peptide Impurity 15 (CAS 1227750-69-7)
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