2-(3,5-Dimethyl-1H-pyrazole-1-carbonyl)-4-(3-fluorophenyl)-N-methyl-N-(4-methylphenyl)thiophene-3-sulfonamide CAS 1173770-07-4
| CAS No. | 1173770-07-4 |
| Molecular Formula | C24H22FN3O3S2 |
| Molecular Weight | 483.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-(3,5-Dimethyl-1H-pyrazole-1-carbonyl)-4-(3-fluorophenyl)-N-methyl-N-(4-methylphenyl)thiophene-3-sulfonamide is closely related to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2-(3,5-Dimethyl-1H-pyrazole-1-carbonyl)-4-(3-fluorophenyl)-N-methyl-N-(4-methylphenyl)thiophene-3-sulfonamide (CAS 1173770-07-4) is a high-purity analytical reference standard with the molecular formula C24H22FN3O3S2 and a molecular weight of 483.58 g/mol.
The molecular framework of 2-(3,5-Dimethyl-1H-pyrazole-1-carbonyl)-4-(3-fluorophenyl)-N-methyl-N-(4-methylphenyl)thiophene-3-sulfonamide (C24H22FN3O3S2) is characterized by a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
As a certified reference material (CRM), 2-(3,5-Dimethyl-1H-pyrazole-1-carbonyl)-4-(3-fluorophenyl)-N-methyl-N-(4-methylphenyl)thiophene-3-sulfonamide 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 | C24H22FN3O3S2 |
| Molecular Weight | 483.58 g/mol |
| 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
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Recommended Standards
- Fluticasone Impurity 98 (CAS 709002-84-6)
- n-(4-((4-(2-Hydroxy-3-(naphthalen-2-yloxy)propyl)piperazin-1-yl)sulfonyl)phenyl)acetamide (CAS 667891-33-0)
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- 4-(Chloromethyl)benzo[d]thiazole (CAS 1824484-97-0)
- 4-(2-Methoxyethoxy)benzoic acid (CAS 27890-92-2)
- 2-Phenyl-1,2,3,4-tetrahydroacridine-9-carboxylic acid (CAS 379238-97-8)
- 2-((6-Chloro-2-methylpyrimidin-4-yl)amino)ethan-1-ol (CAS 22177-97-5)
- Alloxantin (CAS 76-24-4)
- Flunarizine Impurity 9 (CAS 87179-40-6)
- 2-Amino-1-methylpyrimidin-1-ium iodide (CAS 62062-31-1)
- 5-(tert-Butoxy)-6-methylpyrimidin-4(1H)-one (CAS 62022-11-1)
- 2-Formamidopent-4-enoic acid (CAS 808148-31-4)
- Semaglutide Impurity 189 (CAS CATO-C4X-2226189)
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