4-(Trifluoromethoxy)phenylmethanesulfonyl chloride CAS 683813-55-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 683813-55-0 |
| Molecular Formula | C8H6ClF3O3S |
| Molecular Weight | 274.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(Trifluoromethoxy)phenylmethanesulfonyl chloride (CAS 683813-55-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H6ClF3O3S. Molecular weight: 274.64 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H6ClF3O3S |
| Molecular Weight | 274.64 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; 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.) | 1985 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
Related Trifluoromethoxy Standards
- (2-(Trifluoromethoxy)phenyl)methanesulfonyl chloride (CAS 116827-38-4)
- 5-Methyl-2-(trifluoromethoxy)benzenesulfonyl chloride (CAS 1261683-44-6)
- 2-Methyl-5-(trifluoromethoxy)benzenesulfonyl chloride (CAS 1261852-46-3)
- (3-(Trifluoromethoxy)phenyl)methanesulfonyl chloride (CAS 1263274-68-5)
- 2-Methyl-4-(trifluoromethoxy)benzenesulfonyl chloride (CAS 376637-84-2)
- 1-{[4-(Trifluoromethoxy)phenyl]methyl}-1,4-diazepane (CAS 1016704-67-8)
- 2-Methyl-1-{[4-(trifluoromethoxy)phenyl]methyl}piperazine (CAS 1240581-54-7)
- 1-(4-(Trifluoromethoxy)benzyl)piperidin-4-amine (CAS 1279219-09-8)
Recommended Standards
- 4-(2,2,2-Trifluoroethoxy)benzene-1-sulfonyl chloride (CAS 954369-08-5)
- 4-Methoxy-2-(trifluoromethyl)benzenesulfonyl chloride (CAS 775288-85-2)
- 4-Methoxy-3-(trifluoromethyl)benzenesulfonyl chloride (CAS 694514-21-1)
- (S)-Perillaldehyde (CAS 18031-40-8)
- 3-Butoxypyrrolidine (CAS 946715-13-5)
- sodium 3-chloro-4-formylbenzenesulfonate (CAS 42481-01-6)
- 4-Hydroxy-8-(trifluoromethyl)-2H-chromen-2-one (CAS 1539002-96-4)
- 55506-37-1 2-Amino-5-chlorothiazole hydrochloride 2-Thiazolamine, 5-chloro-, monohydrochloride 5-Chloro-2-thiazolamine hydrochloride EINECS 259-680-4 (CAS 55506-37-1)
- 7-bromobenzofuran-4-ol (CAS 405876-51-9)
- Proinsulin C-Peptide (55-89) (human) (CAS 11097-48-6)
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