| CAS No. | 733030-98-3 |
| Molecular Formula | C10H11N3O2S2 |
| Molecular Weight | 269.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 269.34 g/mol gives [(4-ethyl-5-thien-2-yl-4H-1,2,4-triazol-3-yl)thio]acetic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies [(4-ethyl-5-thien-2-yl-4H-1,2,4-triazol-3-yl)thio]acetic acid (CAS 733030-98-3), a certified reference material (molecular formula C10H11N3O2S2, MW 269.34 g/mol) for analytical method development and quality control.
Based on its molecular formula C10H11N3O2S2, [(4-ethyl-5-thien-2-yl-4H-1,2,4-triazol-3-yl)thio]acetic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 269.34 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), [(4-ethyl-5-thien-2-yl-4H-1,2,4-triazol-3-yl)thio]acetic acid 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.
| Molecular Formula | C10H11N3O2S2 |
| Molecular Weight | 269.34 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |