4-(Benzenesulfonyl)-5-(4-chlorophenyl)-1-(3,4-dichlorophenyl)-1H-pyrazole CAS 318951-67-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 318951-67-6 |
| Molecular Formula | C21H13Cl3N2O2S |
| Molecular Weight | 463.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 4-(Benzenesulfonyl)-5-(4-chlorophenyl)-1-(3,4-dichlorophenyl)-1H-pyrazole (CAS 318951-67-6) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C21H13Cl3N2O2S. Molecular weight: 463.76 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C21H13Cl3N2O2S |
| Molecular Weight | 463.76 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.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Benzenesulfonyl Standards
- 4-(Benzenesulfonyl)-5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-1H-pyrazole (CAS 318951-64-3)
- 3-(Benzenesulfonyl)-7-chloro-N-(4-ethylphenyl)-[1,2,3]triazolo[1,5-a]quinazolin-5-amine (CAS 904578-68-3)
- 1-(Benzenesulfonyl)-5-bromo-3-iodo-1H-pyrrolo[2,3-b]pyridine (CAS 757978-19-1)
- N-(Benzenesulfonyl)-N-(3-cyano-5-phenylfuran-2-yl)benzenesulfonamide (CAS 478045-63-5)
- 3-[1-(Benzenesulfonyl)-4H-pyridin-4-yl]-6-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole (CAS 2377610-27-8)
- 582305-43-9 1-(Benzenesulfonyl)-5-bromo-3-iodo-1H-indole DTXSID60651259 (CAS 582305-43-9)
- 5-(Benzenesulfonyl)-4-[(4-tert-butylphenyl)sulfanyl]-2-phenylpyrimidine (CAS 478080-95-4)
- 3-(Benzenesulfonyl)-N-(2,3-dihydro-1,4-benzodioxin-6-yl)-[1,2,3]triazolo[1,5-a]quinazolin-5-amine (CAS 904575-98-0)
Recommended Standards
- N-(3-chlorophenyl)-3-((3,4-dichlorobenzyl)oxy)thieno[2,3-b]pyridine-2-carboxamide (CAS 338757-03-2)
- 2-(5,7-Bis(trifluoromethyl)-1,8-naphthyridin-2-yl)-N-(4-chlorophenyl)-2-methylhydrazine-1-carboxamide (CAS 320417-46-7)
- N-(4-Chlorophenyl)-3-[(3,4-dichlorophenyl)methoxy]thieno[2,3-b]pyridine-2-carboxamide (CAS 338756-88-0)
- 2,3-Difluoro-6-methoxybenzoic acid methyl ester (CAS 773876-05-4)
- Tert-butyl 3-bromo-2-chloro-5,8-dihydro-1,7-naphthyridine-7(6H)-carboxylate (CAS 2306268-82-4)
- 2-[(4-Bromo-3,5-dimethyl-1H-pyrazol-1-yl)methyl]-1,3-thiazolidine-4-carboxylic acid (CAS 1218124-12-9)
- N1-(2-(Dimethylamino)-2-phenylethyl)-N2-(5-methylisoxazol-3-yl)oxalamide (CAS 941975-81-1)
- 4-Bromo-2-((trifluoromethyl)thio)pyridine (CAS 1204234-49-0)
- 2-(((2,2,3,3,4,4,5,5,6,6,7,7-Dodecafluoroheptyl)oxy)methyl)oxirane (CAS 799-34-8)
- Semaglutide Impurity 191 (CAS CATO-C4X-2226191)
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