| CAS No. | 1170415-79-8 |
| Molecular Formula | C14H16ClN3O |
| Molecular Weight | 277.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 277.75 g/mol gives 3-Chloro-n-(3,5-dimethyl-1-phenyl-1h-pyrazol-4-yl)propanamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Chloro-n-(3,5-dimethyl-1-phenyl-1h-pyrazol-4-yl)propanamide (CAS 1170415-79-8), molecular formula C14H16ClN3O and molecular weight 277.75 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C14H16ClN3O, 3-Chloro-n-(3,5-dimethyl-1-phenyl-1h-pyrazol-4-yl)propanamide contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 277.75 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 3-Chloro-n-(3,5-dimethyl-1-phenyl-1h-pyrazol-4-yl)propanamide 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 | C14H16ClN3O |
| Molecular Weight | 277.75 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |