| CAS No. | 847744-40-5 |
| Molecular Formula | C11H12N4OS |
| Molecular Weight | 248.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 248.30 g/mol gives 2-[3-mercapto-5-(3-methylphenyl)-4H-1,2,4-triazol-4-yl]acetamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-[3-mercapto-5-(3-methylphenyl)-4H-1,2,4-triazol-4-yl]acetamide (CAS 847744-40-5), molecular formula C11H12N4OS and molecular weight 248.30 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H12N4OS, 2-[3-mercapto-5-(3-methylphenyl)-4H-1,2,4-triazol-4-yl]acetamide contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 248.30 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
| Molecular Formula | C11H12N4OS |
| Molecular Weight | 248.30 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |