| CAS No. | 1956341-36-8 |
| Molecular Formula | C12H8ClN5 |
| Molecular Weight | 257.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-Chloro-4-(3-(pyridin-2-yl)-1H-pyrazol-4-yl)pyrimidine.
CATO supplies 2-Chloro-4-(3-(pyridin-2-yl)-1H-pyrazol-4-yl)pyrimidine (CAS 1956341-36-8), a certified reference material (molecular formula C12H8ClN5, MW 257.68 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H8ClN5, 2-Chloro-4-(3-(pyridin-2-yl)-1H-pyrazol-4-yl)pyrimidine 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 257.68 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), 2-Chloro-4-(3-(pyridin-2-yl)-1H-pyrazol-4-yl)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.
| Molecular Formula | C12H8ClN5 |
| Molecular Weight | 257.68 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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.) | 1996 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |