| CAS No. | 668471-58-7 |
| Molecular Formula | C13H10Cl2N6 |
| Molecular Weight | 321.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 321.16 g/mol gives 4-[1-(2,4-Dichlorophenyl)-5-methyltriazol-4-yl]pyrimidin-2-amine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-[1-(2,4-Dichlorophenyl)-5-methyltriazol-4-yl]pyrimidin-2-amine (CAS 668471-58-7) is a high-purity analytical reference standard with the molecular formula C13H10Cl2N6 and a molecular weight of 321.16 g/mol.
Based on its molecular formula C13H10Cl2N6, 4-[1-(2,4-Dichlorophenyl)-5-methyltriazol-4-yl]pyrimidin-2-amine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 321.16 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 | C13H10Cl2N6 |
| Molecular Weight | 321.16 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 6 |