| CAS No. | 1429418-00-7 |
| Molecular Formula | C6H6FN3 |
| Molecular Weight | 139.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 139.13 g/mol gives 1-(2-Fluoroethyl)-1H-pyrazole-5-carbonitrile distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-(2-Fluoroethyl)-1H-pyrazole-5-carbonitrile (CAS 1429418-00-7) is a high-purity analytical reference standard with the molecular formula C6H6FN3 and a molecular weight of 139.13 g/mol.
Owing to a nitrile group, fluorine substitution, an aromatic ring system, 1-(2-Fluoroethyl)-1H-pyrazole-5-carbonitrile is typically off-white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 139.13 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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), 1-(2-Fluoroethyl)-1H-pyrazole-5-carbonitrile 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 | C6H6FN3 |
| Molecular Weight | 139.13 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |