| CAS No. | 1706428-33-2 |
| Molecular Formula | C16H17N5 |
| Molecular Weight | 279.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
3-(Pyrrolidin-2-yl)-6-(p-tolyl)-[1,2,4]triazolo[4,3-b]pyridazine (CAS 1706428-33-2), molecular formula C16H17N5 and molecular weight 279.34 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, 3-(Pyrrolidin-2-yl)-6-(p-tolyl)-[1,2,4]triazolo[4,3-b]pyridazine is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 279.34 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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-(Pyrrolidin-2-yl)-6-(p-tolyl)-[1,2,4]triazolo[4,3-b]pyridazine 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 | C16H17N5 |
| Molecular Weight | 279.34 g/mol |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 5 |