1-Chloro-2-[(trifluoromethyl)sulfanyl]ethane CAS 819-55-6
| CAS No. | 819-55-6 |
| Molecular Formula | C3H4ClF3S |
| Molecular Weight | 164.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1-Chloro-2-[(trifluoromethyl)sulfanyl]ethane.
1-Chloro-2-[(trifluoromethyl)sulfanyl]ethane (CAS 819-55-6) is a high-purity analytical reference standard with the molecular formula C3H4ClF3S and a molecular weight of 164.58 g/mol.
Owing to sulfur-containing functionality, fluorine/chlorine substitution, 1-Chloro-2-[(trifluoromethyl)sulfanyl]ethane is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 164.58 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.
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 | C3H4ClF3S |
| Molecular Weight | 164.58 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 2,2-Difluoroethanesulfonyl Chloride (CAS 1033906-60-3)
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- 2-((6-Amino-9-benzyl-9H-purin-8-yl)thio)acetic acid (CAS 321418-06-8)
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- 2-Fluoro-3-(trifluoromethoxy)phenyl acetate (CAS 1437794-81-4)
- (5-Methyl-6-(methyl(phenyl)amino)pyridin-3-yl)(phenyl)methanone (CAS 1355217-89-8)
- 2,2,2-Trifluoro-1-(3-(trifluoromethyl)phenyl)ethyl trifluoromethanesulfonate (CAS 84877-49-6)
- 3-Hydroxy-2,3-dimethylbutan-2-yl hydrogen (4-(sec-butyl)furan-2-yl)boronate (CAS 2222997-68-2)
- 4-(3,4-Dichlorophenoxy)butanenitrile (CAS 1184500-18-2)
- Tirzepatide Impurity 33 (CAS CATO-C4X-324033)
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