n-(5-Ethyl-1,3,4-thiadiazol-2-yl)-2,2,2-trifluoroacetamide CAS 22926-50-7
| CAS No. | 22926-50-7 |
| Molecular Formula | C6H6F3N3OS |
| Molecular Weight | 225.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
n-(5-Ethyl-1,3,4-thiadiazol-2-yl)-2,2,2-trifluoroacetamide (CAS 22926-50-7), molecular formula C6H6F3N3OS and molecular weight 225.19 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, n-(5-Ethyl-1,3,4-thiadiazol-2-yl)-2,2,2-trifluoroacetamide (C6H6F3N3OS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 225.19 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), n-(5-Ethyl-1,3,4-thiadiazol-2-yl)-2,2,2-trifluoroacetamide 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 | C6H6F3N3OS |
| Molecular Weight | 225.19 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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