2-[4-(trifluoromethyl)phenyl]ethane-1-sulfonyl chloride CAS 721-64-2
| CAS No. | 721-64-2 |
| Molecular Formula | C9H8ClF3O2S |
| Molecular Weight | 272.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 2-[4-(trifluoromethyl)phenyl]ethane-1-sulfonyl chloride under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
CATO supplies 2-[4-(trifluoromethyl)phenyl]ethane-1-sulfonyl chloride (CAS 721-64-2), a certified reference material (molecular formula C9H8ClF3O2S, MW 272.67 g/mol) for analytical method development and quality control.
Structurally, 2-[4-(trifluoromethyl)phenyl]ethane-1-sulfonyl chloride (C9H8ClF3O2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 272.67 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H8ClF3O2S |
| Molecular Weight | 272.67 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
Related trifluoromethyl Standards
- {1-methyl-2-[4-(trifluoromethyl)phenyl]piperidin-3-yl}methanamine (CAS 1315368-46-7)
- 3-Propyl-1-[3-(trifluoromethyl)phenyl]piperazine (CAS 1432680-85-7)
- 4-Methyl-5-(3-(trifluoromethyl)benzyl)thiazol-2-amine (CAS 1049144-37-7)
- 2-{[6-(Trifluoromethyl)quinolin-4-yl]amino}ethanethiol (CAS 1065076-17-6)
- 2-{[8-(Trifluoromethyl)quinolin-4-yl]amino}ethanethiol (CAS 1065076-24-5)
- 4-Methyl-5-(4-(trifluoromethyl)benzyl)thiazol-2-amine (CAS 1149333-09-4)
- 2-((2-(Trifluoromethyl)quinolin-4-yl)thio)ethan-1-amine (CAS 175203-50-6)
- (4-Methyl-2-(4-(trifluoromethyl)phenyl)thiazol-5-yl)methanamine (CAS 690632-25-8)
Recommended Standards
- 1-((2-Chloroethyl)sulfonyl)-3-(trifluoromethyl)benzene (CAS 175203-09-5)
- 6-((tert-Butoxycarbonyl)amino)-4-chloropicolinic acid (CAS 1060801-16-2)
- 3-Chlorophenyl 3,3,3-trifluoropropylsulfone (CAS 1707367-48-3)
- 6-Chloro-3-phenyl-1-benzofuran-2-carboxylic acid (CAS 1208402-13-4)
- 8-Methyl-1,2,3,4-tetrahydrobenzo[b][1,6]naphthyridin-10(5H)-one (CAS 1355226-54-8)
- 4-(Aminomethyl)-3-(difluoromethyl)-5-(trifluoromethoxy)picolinoyl chloride (CAS 1804669-65-5)
- 1-Methyl-1,3,8-triazaspiro[4.5]decane-2,4-dione (CAS 500360-82-7)
- (2S)-2-(trifluoromethyl)pyrrolidine hydrochloride (CAS 1410903-57-9)
- 2-Fluoro-N-(5-methyl-2H-pyrazol-3-yl)benzamide (CAS 1403483-53-3)
- 3-Butyl-2-thioxo-4-imidazolidinone (CAS 162150-91-6)
- 7-Bromo-5-methoxy-1,2,3,4-tetrahydroisoquinoline (CAS 1780417-55-1)
- (1-(4-(Trifluoromethyl)phenyl)-1h-tetrazol-5-yl)methanamine (CAS 1274611-35-6)
- 1-Deoxymannojirimycin Hydrochloride (CAS 73465-43-7)
- C-Peptide (human) (CAS 33017-11-7)
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 18665070610 / Nicole.chen@cato-chem.com