3-(2,2-Difluoroethoxy)propane-1-sulfonyl chloride CAS 1555211-53-4
| CAS No. | 1555211-53-4 |
| Molecular Formula | C5H9ClF2O3S |
| Molecular Weight | 222.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C5H9ClF2O3S, 3-(2,2-Difluoroethoxy)propane-1-sulfonyl chloride contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 222.64 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
3-(2,2-Difluoroethoxy)propane-1-sulfonyl chloride (CAS 1555211-53-4), molecular formula C5H9ClF2O3S and molecular weight 222.64 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C5H9ClF2O3S |
| Molecular Weight | 222.64 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, water |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
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- 1-(2,2-Difluoroethoxy)-4-fluoro-2-nitrobenzene (CAS 1245771-90-7)
- 5-(2,2-difluoroethoxy)-N-hydroxy-pyrazine-2-carboxamidine (CAS 1564175-62-7)
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Recommended Standards
- 4-(3-Chloro-5-fluorophenyl)phenol (CAS 1262001-95-5)
- Difluoro(Phenylsulfanyl)Acetyl Chloride (CAS 16503-77-8)
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- 2'-Chloro-6'-fluoro-[1,1'-biphenyl]-2-ol (CAS 1879712-94-3)
- 2-(5-(4-Bromophenyl)-1,3,4-oxadiazol-2-yl)phenol (CAS 111997-58-1)
- ((Hexane-1,2,3,4,5,6-hexaylhexakis(oxy))hexakis(methylene))hexabenzene (CAS 118895-86-6)
- 3-(1H-1,2,4-Triazol-3-yl)indoline-5-carboxylic acid (CAS 1263180-91-1)
- 2-Cyclopropylpyrimidine-5-carbaldehyde (CAS 954226-60-9)
- 2-Methyl-4-oxo-1,4-dihydropyridine-3-carboxylic acid (CAS 1060806-08-7)
- (4-Aminophenyl)(4-cinnamylpiperazin-1-yl)methanone (CAS 219989-07-8)
- ((S)-2-Amino-3,3-dimethylbutanoyl)-L-tyrosine (CAS 908573-99-9)
- 3-Bromo-2-chloro-5-fluoroaniline (CAS 187929-81-3)
- 1-(2,5-Difluorophenyl)-2-methylpropan-2-ol (CAS 1251061-95-6)
- Semaglutide Impurity 192 (CAS CATO-C4X-2226192)
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