| CAS No. | 1255147-49-9 |
| Molecular Formula | C8H14N4O |
| Molecular Weight | 182.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 182.22 g/mol gives 2-(4-Methyl-1H-pyrazol-1-yl)butanohydrazide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(4-Methyl-1H-pyrazol-1-yl)butanohydrazide (CAS 1255147-49-9) is a high-purity analytical reference standard with the molecular formula C8H14N4O and a molecular weight of 182.22 g/mol.
Based on its molecular formula C8H14N4O, 2-(4-Methyl-1H-pyrazol-1-yl)butanohydrazide contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 182.22 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-(4-Methyl-1H-pyrazol-1-yl)butanohydrazide 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 | C8H14N4O |
| Molecular Weight | 182.22 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 4 |