(1-Methyl-3-phenyl-5-(phenylsulfonyl)-1H-pyrazol-4-yl)methyl 3-chlorobenzoate CAS 318289-34-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 318289-34-8 |
| Molecular Formula | C24H19ClN2O4S |
| Molecular Weight | 466.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(1-Methyl-3-phenyl-5-(phenylsulfonyl)-1H-pyrazol-4-yl)methyl 3-chlorobenzoate (CAS 318289-34-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C24H19ClN2O4S. Molecular weight: 466.94 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C24H19ClN2O4S |
| Molecular Weight | 466.94 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 |
Recommended Standards
- Halcinonide Impurity 8 (CAS CATO-C4X-27958)
- (E)-3-((4-chlorobenzyl)oxy)-N'-((5-(3-methoxyphenyl)-1H-pyrazol-4-yl)methylene)thiophene-2-carbohydrazide (CAS 477712-48-4)
- 3-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]sulfanyl}-5-[(E)-2-[(3,4-dimethylphenyl)amino]ethenyl]-1,2-thiazole-4-carbonitrile (CAS 338413-00-6)
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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