4-(Difluoromethyl)benzenesulfonyl Chloride CAS 1263179-09-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1263179-09-4 |
| Molecular Formula | C7H5ClF2O2S |
| Molecular Weight | 226.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(Difluoromethyl)benzenesulfonyl Chloride (CAS 1263179-09-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H5ClF2O2S. Molecular weight: 226.63 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H5ClF2O2S |
| Molecular Weight | 226.63 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.) | 1990 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
Related Difluoromethyl Standards
- 3-(Difluoromethyl)benzenesulfonyl chloride (CAS 1250680-75-1)
- 2-(Difluoromethyl)benzenesulfonyl chloride (CAS 161525-56-0)
- 5-(5-(Difluoromethyl)thiophen-2-yl)pyridin-2-amine (CAS 2090989-65-2)
- 2-(Difluoromethyl)-3-phenoxythiophene (CAS 2149598-79-6)
- Methyl 2-(difluoromethyl)-1H-benzo[d]imidazole-4-carboxylate (CAS 1336890-32-4)
- 2-(Difluoromethyl)-1-methyl-1h-1,3-benzodiazole-5-carboxylic acid (CAS 1339147-00-0)
- 2-(Difluoromethyl)-7-methoxy-4H-chromen-4-one (CAS 156909-18-1)
- 2-(Difluoromethyl)-3-fluoropyridine-4-sulfonamide (CAS 1804707-20-7)
Recommended Standards
- (4-Chloro-3-fluorophenyl)(furan-3-yl)methanol (CAS 1341327-48-7)
- 5-(Chloromethyl)-3-[(3-fluorophenyl)methyl]-1,2,4-oxadiazole (CAS 1247475-08-6)
- 2-(Chloromethyl)-5-(5-fluoro-2-methylphenyl)-1,3,4-oxadiazole (CAS 1341523-75-8)
- 2-[Difluoro(methoxy)methyl]pyrrolidine hydrochloride (CAS 2097933-47-4)
- 7-N-Benzyl-1-oxo-2,7-diazaspiro[4.5]decan-10-one ethylene ketal (CAS 1334414-46-8)
- 1-(Difluoromethyl)-1H-pyrazole-5-carboxylic Acid (CAS 925199-97-9)
- 4-Bromo-1-phenylbutane-1,3-dione (CAS 57626-31-0)
- ((4-Methylthiophen-3-yl)methyl)hydrazine (CAS 1511037-26-5)
- 2-(6,7-Dihydro-5H-pyrrolo[2,1-c][1,2,4]triazol-3-yl)-2-hydroxyacetonitrile (CAS 1330752-79-8)
- MCH-Gene-Overprinted-Polypeptide-14 (rat) (H-4746.0500) (CAS 182917-44-8)
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