(5-((2-Chlorophenyl)sulfonyl)-1-methyl-3-phenyl-1H-pyrazol-4-yl)methyl 2,4-dichlorobenzoate CAS 318959-21-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 318959-21-6 |
| Molecular Formula | C24H17Cl3N2O4S |
| Molecular Weight | 535.83 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(5-((2-Chlorophenyl)sulfonyl)-1-methyl-3-phenyl-1H-pyrazol-4-yl)methyl 2,4-dichlorobenzoate (CAS 318959-21-6) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C24H17Cl3N2O4S. Molecular weight: 535.83 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C24H17Cl3N2O4S |
| Molecular Weight | 535.83 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 6-Chloro-3-iodo-4-methyl-1-trityl-1H-pyrazolo[4,3-c]pyridine (CAS 1589540-65-7)
- [5-(4-Chlorobenzenesulfonyl)-1-methyl-3-phenyl-1H-pyrazol-4-yl]methyl 2,4-dichlorobenzoate (CAS 318289-08-6)
- Bisoprolol Impurity 110 (CAS CATO-C4X-1247110)
- 4-(4-tert-Butylphenyl)-4-oxo-2-{[(thiophen-2-yl)methyl]amino}butanoic acid (CAS 329928-97-4)
- (2-Methyl-1-piperidinyl)(4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridin-3-yl)methanone HCl (CAS 1220034-03-6)
- 2-(Benzyloxy)-5-nitroaniline (CAS 88964-90-3)
- Demethylpiperazinyl N,N-bis(2-hydroxyethyl) sildenafil, 98% (CAS 226956-43-0)
- (2S,3S,4R)-1-(tert-butoxycarbonyl)-4-hydroxy-3-methylpyrrolidine-2-carboxylic acid (CAS 1367552-70-2)
- 3-Chloro-N,N-diethyl-5-iodopyrazin-2-amine (CAS 1704064-41-4)
- Peptide YY (3-36) (canine, mouse, porcine, rat) trifluoroacetate salt (CAS 126339-09-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com