4-(3-Chloro-5-trifluoromethyl-pyridin-2-yl)-2-methylsulfanyl-pyrimidine CAS 1311279-25-0
| CAS No. | 1311279-25-0 |
| Molecular Formula | C11H7ClF3N3S |
| Molecular Weight | 305.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-(3-Chloro-5-trifluoromethyl-pyridin-2-yl)-2-methylsulfanyl-pyrimidine is closely related to a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, fluorine/chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4-(3-Chloro-5-trifluoromethyl-pyridin-2-yl)-2-methylsulfanyl-pyrimidine (CAS 1311279-25-0) is a high-purity analytical reference standard with the molecular formula C11H7ClF3N3S and a molecular weight of 305.71 g/mol.
Based on its molecular formula C11H7ClF3N3S, 4-(3-Chloro-5-trifluoromethyl-pyridin-2-yl)-2-methylsulfanyl-pyrimidine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 305.71 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.
As a certified reference material (CRM), 4-(3-Chloro-5-trifluoromethyl-pyridin-2-yl)-2-methylsulfanyl-pyrimidine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C11H7ClF3N3S |
| Molecular Weight | 305.71 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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