| CAS No. | 1273785-67-3 |
| Molecular Formula | C13H18N4O2 |
| Molecular Weight | 262.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
2-(2-Oxo-2-(pyrrolidin-1-yl)ethyl)-5,6,7,8-tetrahydropyrido[4,3-c]pyridazin-3(2H)-one (CAS 1273785-67-3), molecular formula C13H18N4O2 and molecular weight 262.31 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C13H18N4O2, 2-(2-Oxo-2-(pyrrolidin-1-yl)ethyl)-5,6,7,8-tetrahydropyrido[4,3-c]pyridazin-3(2H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 262.31 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.
CATO manufactures 2-(2-Oxo-2-(pyrrolidin-1-yl)ethyl)-5,6,7,8-tetrahydropyrido[4,3-c]pyridazin-3(2H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C13H18N4O2 |
| Molecular Weight | 262.31 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 4 |