| CAS No. | 1707394-36-2 |
| Molecular Formula | C11H10ClN5O |
| Molecular Weight | 263.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
5-(3-(Chloromethyl)-[1,2,4]triazolo[4,3-a]pyridin-8-yl)-3-ethyl-1,2,4-oxadiazole (CAS 1707394-36-2), molecular formula C11H10ClN5O and molecular weight 263.68 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H10ClN5O, 5-(3-(Chloromethyl)-[1,2,4]triazolo[4,3-a]pyridin-8-yl)-3-ethyl-1,2,4-oxadiazole contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 263.68 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), 5-(3-(Chloromethyl)-[1,2,4]triazolo[4,3-a]pyridin-8-yl)-3-ethyl-1,2,4-oxadiazole 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 | C11H10ClN5O |
| Molecular Weight | 263.68 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |