| CAS No. | 868967-19-5 |
| Molecular Formula | C19H21N7O3S |
| Molecular Weight | 427.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 427.48 g/mol gives Ethyl 4-(2-((3-(pyridin-2-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetyl)piperazine-1-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ethyl 4-(2-((3-(pyridin-2-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetyl)piperazine-1-carboxylate (CAS 868967-19-5), molecular formula C19H21N7O3S and molecular weight 427.48 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, Ethyl 4-(2-((3-(pyridin-2-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetyl)piperazine-1-carboxylate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 427.48 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.
CATO manufactures Ethyl 4-(2-((3-(pyridin-2-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetyl)piperazine-1-carboxylate 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 | C19H21N7O3S |
| Molecular Weight | 427.48 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 7 |
| Sulfur Atoms | 1 |