3,5-Dimethyl-1-phenyl-4-((phenylsulfonyl)methyl)-1H-pyrazole CAS 321574-38-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 321574-38-3 |
| Molecular Formula | C18H18N2O2S |
| Molecular Weight | 326.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3,5-Dimethyl-1-phenyl-4-((phenylsulfonyl)methyl)-1H-pyrazole (CAS 321574-38-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H18N2O2S. Molecular weight: 326.41 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C18H18N2O2S |
| Molecular Weight | 326.41 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-Methyl-N-(4-(4-propylphenyl)thiazol-2-yl)furan-3-carboxamide (CAS 869632-12-2)
- 3-Benzyl-1-(4-ethoxyphenyl)-2-thioxoimidazolidin-4-one (CAS 692267-75-7)
- 2-Carboethoxy-3-(2-thiomethylphenyl)propiophenone (CAS 898754-39-7)
- (Z)-5-(Benzo[d][1,3]dioxol-5-ylmethylene)-2-thioxoimidazolidin-4-one (CAS 110830-17-6)
- n-(2-Cyanoethyl)-n-methylformamide (CAS 54014-00-5)
- Ethyl 3-amino-1,2,4-triazine-6-carboxylate (CAS 1823935-61-0)
- N-Butyl-3-fluoro-N-(5-pyridin-4-yl-[1,3,4]-thiadiazol-2-yl)-benzamide (CAS 834892-59-0)
- 5-Methoxy-1H-indol-4-amine (CAS 431046-37-6)
- 5-Chloro-3-(phenylsulfonyl)-1-(piperidin-4-ylmethyl)-1H-indole (CAS 651334-64-4)
- Semaglutide Impurity 122 (CAS CATO-C4X-2226122)
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