5-Chloro-3-[(3-methylbutyl)sulfanyl]-1,2,4-thiadiazole CAS 89893-29-8
| CAS No. | 89893-29-8 |
| Molecular Formula | C7H11ClN2S2 |
| Molecular Weight | 222.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Chloro-3-[(3-methylbutyl)sulfanyl]-1,2,4-thiadiazole (CAS 89893-29-8), molecular formula C7H11ClN2S2 and molecular weight 222.76 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 5-Chloro-3-[(3-methylbutyl)sulfanyl]-1,2,4-thiadiazole (C7H11ClN2S2) is characterized by a nitrile group, sulfur-containing functionality, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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).
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 manufactures 5-Chloro-3-[(3-methylbutyl)sulfanyl]-1,2,4-thiadiazole 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 | C7H11ClN2S2 |
| Molecular Weight | 222.76 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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