5-Methylthiophene-3-sulfonyl chloride CAS 89379-25-9
| CAS No. | 89379-25-9 |
| Molecular Formula | C5H5ClO2S2 |
| Molecular Weight | 196.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-Methylthiophene-3-sulfonyl chloride (C5H5ClO2S2) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 196.67 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO supplies 5-Methylthiophene-3-sulfonyl chloride (CAS 89379-25-9), a certified reference material (molecular formula C5H5ClO2S2, MW 196.67 g/mol) for analytical method development and quality control.
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 5-Methylthiophene-3-sulfonyl chloride 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 | C5H5ClO2S2 |
| Molecular Weight | 196.67 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 2 |
Related Methylthiophene Standards
- 3-Methylthiophene-2-sulfonyl chloride (CAS 61714-76-9)
- 4-Methylthiophene-2-sulfonyl chloride (CAS 69815-97-0)
- 5-Methylthiophene-2-sulfonyl chloride (CAS 55854-45-0)
- Ethyl 5-methylthiophene-2-glyoxylate (CAS 50845-87-9)
- 4-Ethyl-5-methylthiophene-3-carbonyl chloride (CAS 1160248-82-7)
- 3-Methylthiophene-2,5-dicarboxylic acid (CAS 89677-40-7)
- 5-Methylthiophene-2,3-dicarboxylic Acid (CAS 46029-22-5)
- 4-Ethyl-5-methylthiophene-3-carbohydrazide (CAS 438225-41-3)
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