5-(3-Chlorothiophen-2-yl)-1-trifluoromethanesulfonyl-1H-pyrazole CAS 318951-83-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 318951-83-6 |
| Molecular Formula | C8H4ClF3N2O2S2 |
| Molecular Weight | 316.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 5-(3-Chlorothiophen-2-yl)-1-trifluoromethanesulfonyl-1H-pyrazole (CAS 318951-83-6) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C8H4ClF3N2O2S2. Molecular weight: 316.71 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C8H4ClF3N2O2S2 |
| Molecular Weight | 316.71 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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Recommended Standards
- 5-(2-Chlorophenyl)-1-(4-fluorophenyl)-1H-pyrazole-3-carboxylic acid (CAS 477712-06-4)
- 5-(4-Chlorophenyl)-1-(4-fluorophenyl)-1H-pyrazole-3-carboxylic acid (CAS 477712-02-0)
- 4-Chloro-6-fluoro-2-(4-hydroxyphenyl)quinoline-8-carboxamide (CAS 655222-76-7)
- 5-(5,5-Dimethyl-1,3-dioxan-2-yl)-4-hexylvalerophenone (CAS 898755-51-6)
- (S)-3,3'-Bis([1,1':3',1''-terphenyl]-5'-yl)-[1,1'-binaphthalene]-2,2'-diol (CAS 1496637-10-5)
- Ethyl 3-((2,6-dichlorobenzyl)oxy)pyrido[1,2-a]indole-10-carboxylate (CAS 478067-94-6)
- (S)-3-amino-2-(2-fluorobenzyl)propanoic acid (CAS 1260587-33-4)
- Ethyl 4-bromo-3-fluoro-2-methylbenzoate (CAS 1805421-48-0)
- Methyl 1H-benzo[d]imidazol-2-ylcarbamate hydrobromide (CAS 85187-34-4)
- Semaglutide impurity 62 (CAS CATO-C4X-222662)
Why CATO?
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