| CAS No. | 1156895-03-2 |
| Molecular Formula | C11H14N4 |
| Molecular Weight | 202.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 202.26 g/mol gives 4-Ethyl-1-methyl-3-(pyridin-4-yl)-1h-pyrazol-5-amine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 4-Ethyl-1-methyl-3-(pyridin-4-yl)-1h-pyrazol-5-amine (CAS 1156895-03-2), a certified reference material (molecular formula C11H14N4, MW 202.26 g/mol) for analytical method development and quality control.
Based on its molecular formula C11H14N4, 4-Ethyl-1-methyl-3-(pyridin-4-yl)-1h-pyrazol-5-amine contains a nitrogen-containing heterocyclic scaffold, a nitrile group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 202.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
CATO manufactures 4-Ethyl-1-methyl-3-(pyridin-4-yl)-1h-pyrazol-5-amine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C11H14N4 |
| Molecular Weight | 202.26 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 4 |