| CAS No. | 477709-76-5 |
| Molecular Formula | C10H13N3O |
| Molecular Weight | 191.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
3-(4-Ethyl-3,5-dimethyl-1H-pyrazol-1-yl)-3-oxopropanenitrile (CAS 477709-76-5), molecular formula C10H13N3O and molecular weight 191.23 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-(4-Ethyl-3,5-dimethyl-1H-pyrazol-1-yl)-3-oxopropanenitrile (C10H13N3O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 191.23 g/mol, it falls into the medium-molecular-weight range. 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), 3-(4-Ethyl-3,5-dimethyl-1H-pyrazol-1-yl)-3-oxopropanenitrile 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 | C10H13N3O |
| Molecular Weight | 191.23 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |