| CAS No. | 344262-38-0 |
| Molecular Formula | C12H8F3N5S |
| Molecular Weight | 311.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
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.
2-Methyl-5-(3-(pyridin-3-yl)-1H-1,2,4-triazol-5-yl)-4-(trifluoromethyl)thiazole (CAS 344262-38-0), molecular formula C12H8F3N5S and molecular weight 311.29 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-Methyl-5-(3-(pyridin-3-yl)-1H-1,2,4-triazol-5-yl)-4-(trifluoromethyl)thiazole (C12H8F3N5S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 311.29 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
| Molecular Formula | C12H8F3N5S |
| Molecular Weight | 311.29 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |