| CAS No. | 874468-50-5 |
| Molecular Formula | C12H13N5S |
| Molecular Weight | 259.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 259.33 g/mol gives 4-(3-Ethyl-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-6-yl)-2-methylaniline distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-(3-Ethyl-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-6-yl)-2-methylaniline (CAS 874468-50-5), molecular formula C12H13N5S and molecular weight 259.33 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-(3-Ethyl-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-6-yl)-2-methylaniline (C12H13N5S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 259.33 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C12H13N5S |
| Molecular Weight | 259.33 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |