| CAS No. | 306977-36-6 |
| Molecular Formula | C18H11F3N4 |
| Molecular Weight | 340.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
As a certified reference material (CRM), 1-Phenyl-3-(pyridin-3-yl)-6-(trifluoromethyl)-1H-pyrazolo[4,3-b]pyridine 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.
1-Phenyl-3-(pyridin-3-yl)-6-(trifluoromethyl)-1H-pyrazolo[4,3-b]pyridine (CAS 306977-36-6) is a high-purity analytical reference standard with the molecular formula C18H11F3N4 and a molecular weight of 340.30 g/mol.
Structurally, 1-Phenyl-3-(pyridin-3-yl)-6-(trifluoromethyl)-1H-pyrazolo[4,3-b]pyridine (C18H11F3N4) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 340.30 g/mol, it falls into the moderately-high-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.
| Molecular Formula | C18H11F3N4 |
| Molecular Weight | 340.30 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |