2-(5-Methyl-1,3,4-thiadiazol-2-yl)ethanethiohydrazide CAS 178316-82-0
| CAS No. | 178316-82-0 |
| Molecular Formula | C5H8N4S2 |
| Molecular Weight | 188.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C5H8N4S2, 2-(5-Methyl-1,3,4-thiadiazol-2-yl)ethanethiohydrazide contains a nitrile group, sulfur-containing functionality; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 188.27 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
2-(5-Methyl-1,3,4-thiadiazol-2-yl)ethanethiohydrazide (CAS 178316-82-0) is a high-purity analytical reference standard with the molecular formula C5H8N4S2 and a molecular weight of 188.27 g/mol.
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.
As a certified reference material (CRM), 2-(5-Methyl-1,3,4-thiadiazol-2-yl)ethanethiohydrazide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C5H8N4S2 |
| Molecular Weight | 188.27 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2007 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 2 |
Related Methyl Standards
- 5-(1,3,4-Thiadiazol-2-yl)nicotinonitrile (CAS 1346687-62-4)
- 2-[(5-methyl-1,3,4-thiadiazol-2-yl)methoxy]acetic acid (CAS 1265895-84-8)
- 2002-03-1 5-Phenyl-1,3,4-thiadiazol-2-amine DTXSID80277076 (CAS 2002-03-1)
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