3,4-Dichloro-3-methyltetrahydrothiophene 1,1-dioxide CAS 103639-71-0
| CAS No. | 103639-71-0 |
| Molecular Formula | C5H8Cl2O2S |
| Molecular Weight | 203.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 203.09 g/mol gives 3,4-Dichloro-3-methyltetrahydrothiophene 1,1-dioxide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3,4-Dichloro-3-methyltetrahydrothiophene 1,1-dioxide (CAS 103639-71-0), molecular formula C5H8Cl2O2S and molecular weight 203.09 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 3,4-Dichloro-3-methyltetrahydrothiophene 1,1-dioxide (C5H8Cl2O2S) is characterized by a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
CATO manufactures 3,4-Dichloro-3-methyltetrahydrothiophene 1,1-dioxide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H8Cl2O2S |
| Molecular Weight | 203.09 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 | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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