| CAS No. | 671199-04-5 |
| Molecular Formula | C16H16N4OS |
| Molecular Weight | 312.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 312.39 g/mol gives 3-([1,2,4]Triazolo[4,3-a]pyridin-3-ylthio)-N-(p-tolyl)propanamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-([1,2,4]Triazolo[4,3-a]pyridin-3-ylthio)-N-(p-tolyl)propanamide (CAS 671199-04-5), molecular formula C16H16N4OS and molecular weight 312.39 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-([1,2,4]Triazolo[4,3-a]pyridin-3-ylthio)-N-(p-tolyl)propanamide (C16H16N4OS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 312.39 g/mol, it falls into the moderately-high-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 | C16H16N4OS |
| Molecular Weight | 312.39 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |