2-(2,2-difluorocyclopropoxy)ethanesulfonyl chloride CAS 1989659-89-3
| CAS No. | 1989659-89-3 |
| Molecular Formula | C5H7ClF2O3S |
| Molecular Weight | 220.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, 2-(2,2-difluorocyclopropoxy)ethanesulfonyl chloride is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 220.62 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
2-(2,2-difluorocyclopropoxy)ethanesulfonyl chloride (CAS 1989659-89-3), molecular formula C5H7ClF2O3S and molecular weight 220.62 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-(2,2-difluorocyclopropoxy)ethanesulfonyl chloride meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C5H7ClF2O3S |
| Molecular Weight | 220.62 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 | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
Related difluorocyclopropoxy Standards
Recommended Standards
- 1-{2-chloro-7H-pyrrolo[2,3-d]pyrimidin-4-yl}-1H-1,2,4-triazole (CAS 2168799-37-7)
- 2-Chloroimidazo[1,5-a]pyrido[3,2-e]pyrazin-6(5H)-one (CAS 240815-52-5)
- 1-(2-Chloroallyl)-4-(trifluoromethyl)benzene (CAS 951889-51-3)
- 5-Amino-1-(6-chloropyridazin-3-yl)-1H-pyrazole-4-carbonitrile (CAS 69720-51-0)
- [1,1':4',1''-Terphenyl]-2-ol (CAS 4731-97-9)
- 2,2,2-Trifluoro-N-(5-propyl-1,3,4-thiadiazol-2-yl)acetamide (CAS 22926-51-8)
- Nickel(II) telluride, 99.9% (metals basis excluding Co), Co 0.1-1% (CAS 12142-88-0)
- 3-(3-(4-Ethoxyphenyl)-1,2,4-oxadiazol-5-yl)quinolin-4(1H)-one (CAS 1081139-76-5)
- (trans-2-(bromomethyl)cyclopropyl)benzene (CAS 135911-95-4)
- ML 337 (CAS 1443118-44-2)
- azocane (CAS 1121-92-2)
- 5-((2,3-Dichlorophenoxy)methyl)furan-2-carbohydrazide (CAS 861237-85-6)
- 77JW9K722X 75-10-5 Difluoromethane Methane, difluoro- R 32 (refrigerant) Carbon fluoride hydride EINECS 200-839-4 Freon 32 Genetron 32 HFC 32 Khladon 32 [Russian] Methylene difluoride Khladon 32 HFC-32 UNII-77JW9K722X EC 200-839-4 HSDB 8300 Difluoromethane or Refrigerant gas R 32 [UN3252] [Flammable gas] UN3252 Difluoromethane or Refrigerant gas R 32 (CAS 75-10-5)
- Acetyl Tetrapeptide- 15 (CAS 928007-64-1)
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