Thiophene-2,5-disulfonyl dichloride CAS 79279-35-9
| CAS No. | 79279-35-9 |
| Molecular Formula | C4H2Cl2O4S3 |
| Molecular Weight | 281.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO supplies Thiophene-2,5-disulfonyl dichloride (CAS 79279-35-9), a certified reference material (molecular formula C4H2Cl2O4S3, MW 281.16 g/mol) for analytical method development and quality control.
Based on its molecular formula C4H2Cl2O4S3, Thiophene-2,5-disulfonyl dichloride contains a carbohydrate-derived structure, a sulfone group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 281.16 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.
CATO manufactures Thiophene-2,5-disulfonyl dichloride 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 | C4H2Cl2O4S3 |
| Molecular Weight | 281.16 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 | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1979 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 3 |
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Recommended Standards
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- 58042-73-2 2-(2,3-Dihydro-1H-indol-5-ylmethyl)-1H-isoindole-1,3(2H)-dione MFCD15732164 (CAS 58042-73-2)
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Why CATO?
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