4-(Trifluoromethyl)-2,3-dihydrothiophene 1,1-dioxide CAS 71654-37-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 71654-37-0 |
| Molecular Formula | C5H5F3O2S |
| Molecular Weight | 186.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(Trifluoromethyl)-2,3-dihydrothiophene 1,1-dioxide (CAS 71654-37-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C5H5F3O2S. Molecular weight: 186.15 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C5H5F3O2S |
| Molecular Weight | 186.15 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1977 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
Related Trifluoromethyl Standards
- 3-(trifluoromethyl)-2,5-dihydrothiophene 1,1-Dioxide (CAS 71654-38-1)
- 3-[(4-Trifluoromethyl)phenyl]-1-propene (CAS 1813-97-4)
- (2-(Trifluoromethyl)cyclopropyl)benzene (CAS 1822956-84-2)
- 3-[(2-Trifluoromethyl)phenyl]-1-propene (CAS 62826-30-6)
- 4-(Trifluoromethyl)-1H-indazole (CAS 1000339-98-9)
- 2-(3-(Trifluoromethyl)pyridin-2-yl)acetonitrile (CAS 1000512-60-6)
- 2-(Trifluoromethyl)pyridine-3-acetonitrile (CAS 1000529-97-4)
- 2-(4-(Trifluoromethyl)pyridin-2-yl)acetonitrile (CAS 1000536-10-6)
Recommended Standards
- 3-Pyridinol, 6-amino-5-(dimethylphosphinyl)- (CAS 2886000-57-1)
- 2-(2-(Difluoromethyl)phenyl)acetic acid (CAS 1000517-62-3)
- 2-[4-(difluoromethyl)phenyl]acetic acid (CAS 1000524-74-2)
- 5-(5-Bromo-2-fluorophenyl)-5,6,6-trimethylmorpholin-3-one (CAS 1363405-38-2)
- 3-(4-ethylphenyl)-1H-pyrazole-5-carbohydrazide (CAS 1026764-45-3)
- 6-Amino-2-bromo-pyridin-3-ol (CAS 1187930-22-8)
- 6-Amino-2-ethyl-[3,4'-bipyridine]-5-carbonitrile (CAS 129090-38-6)
- Methyl (R)-2-bromo-2-(3-chlorophenyl)acetate (CAS 2382203-43-0)
- 7,7-DIMETHYL-4,5,6,7-TETRAHYDRO-2H-PYRAZOLO[4,3-C]PYRIDINE HCL (CAS 1194374-10-1)
- D-[His]1-Semaglutide X TFA salt (CAS CATO-CPTD788634)
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