3-(Difluoromethoxy)-2-fluorobenzene-1-sulfonyl chloride CAS 1261677-89-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1261677-89-7 |
| Molecular Formula | C7H4ClF3O3S |
| Molecular Weight | 260.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(Difluoromethoxy)-2-fluorobenzene-1-sulfonyl chloride (CAS 1261677-89-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H4ClF3O3S. Molecular weight: 260.62 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H4ClF3O3S |
| Molecular Weight | 260.62 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, water |
| 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.) | 1990 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
Related Difluoromethoxy Standards
- 4-(Difluoromethoxy)-3-fluorobenzene-1-sulfonyl chloride (CAS 1178111-39-1)
- 2-(Difluoromethoxy)-4-fluorobenzenesulfonyl chloride (CAS 1261453-16-0)
- 3-(Difluoromethoxy)-4-fluorobenzenesulfonyl chloride (CAS 1261738-71-9)
- 2-(Difluoromethoxy)-3-fluorobenzene-1-sulfonyl chloride (CAS 1261760-49-9)
- 3-(Difluoromethoxy)-5-fluorobenzene-1-sulfonyl chloride (CAS 1261776-35-5)
- 4-(Difluoromethoxy)-2-fluorobenzene-1-sulfonyl chloride (CAS 1261825-39-1)
- 2-(difluoromethoxy)-5-fluorobenzene-1-sulfonyl chloride (CAS 1261862-25-2)
- 3-(Difluoromethoxy)-5-(1H-pyrazol-1-yl)thiophene-2-carboxylic acid (CAS 1710202-46-2)
Recommended Standards
- 2-Hydroxy-3-(trifluoromethyl)benzene-1-sulfonyl chloride (CAS 1261649-16-4)
- 2-Hydroxy-4-(trifluoromethyl)benzenesulfonyl ChlorideDISCONTINUED (CAS 1261646-63-2)
- 2-Hydroxy-6-(trifluoromethyl)benzene-1-sulfonyl chloride (CAS 1261752-22-0)
- (4-Ethoxy-3-(trifluoromethyl)phenyl)boronic acid (CAS 871329-83-8)
- 3-((4-Chlorobenzyl)sulfinyl)-4-ethyl-5-((3-(trifluoromethyl)phenoxy)methyl)-4H-1,2,4-triazole (CAS 956607-36-6)
- 2-NITRO-P-TOLUNITRILE 2-NITRO-P-TOLUONITRILE 26830-95-5 4-Methyl-2-nitrobenzonitrile AS02388 (CAS 26830-95-5)
- 1-Methyl-[1,2,4]triazolo[1,5-b][1,2,4]triazin-7(1H)-one (CAS 89569-73-3)
- Isoquinoline-4-carbonitrile (CAS 34846-65-6)
- Thiazylchloride (CAS 17178-58-4)
- D-Thr7-Tirzepatide (CAS CATO-CPTD788924)
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