2-(3-Ethyl-1,2,4-oxadiazol-5-yl)-6,7-dihydropyrazolo[1,5-a]pyridin-4(5H)-one CAS 1708401-77-7
| CAS No. | 1708401-77-7 |
| Molecular Formula | C11H12N4O2 |
| Molecular Weight | 232.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C11H12N4O2, 2-(3-Ethyl-1,2,4-oxadiazol-5-yl)-6,7-dihydropyrazolo[1,5-a]pyridin-4(5H)-one contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 232.24 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).
2-(3-Ethyl-1,2,4-oxadiazol-5-yl)-6,7-dihydropyrazolo[1,5-a]pyridin-4(5H)-one (CAS 1708401-77-7), molecular formula C11H12N4O2 and molecular weight 232.24 g/mol, is a CATO reference standard with documented purity and traceability.
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-(3-Ethyl-1,2,4-oxadiazol-5-yl)-6,7-dihydropyrazolo[1,5-a]pyridin-4(5H)-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.
Physical & Chemical Properties
| Molecular Formula | C11H12N4O2 |
| Molecular Weight | 232.24 g/mol |
| Appearance | Pale yellow to 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 4 |
Related Ethyl Standards
- 3-(5-Methyl-1,3,4-oxadiazol-2-yl)-3-phenylpropanoic acid (CAS 1082787-39-0)
- 6-(3-Methyl-1,2,4-oxadiazol-5-yl)-5,6,7,8-tetrahydrocinnolin-3(2H)-one (CAS 1713174-15-2)
- 3-(3-benzyl-1,2,4-oxadiazol-5-yl)propanoic acid (CAS 322725-60-0)
- 4-(3-Phenyl-1,2,4-oxadiazol-5-yl)butanoic acid (CAS 875164-21-9)
- 4-(5-phenyl-1,3,4-oxadiazol-2-yl)butanoic acid (CAS 322725-59-7)
- [4-(5-Propyl-1,2,4-oxadiazol-3-yl)phenyl]boronic acid (CAS 1191059-84-3)
- 2-(5-Phenyl-1,2,4-oxadiazol-3-yl)morpholine (CAS 1131568-60-9)
- 7-(3-Ethyl-1,2,4-oxadiazol-5-yl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one (CAS 1707567-30-3)
Recommended Standards
- 2-(5-Amino-1-methyl-3-(pyridin-4-yl)-1H-pyrazol-4-yl)acetic acid (CAS 1708380-19-1)
- 1-(Pyrazolo[1,5-a]pyrazin-4-yl)pyrrolidine-3-carboxylic acid (CAS 1710674-57-9)
- 2-(5-Amino-1-methyl-3-(pyridin-3-yl)-1H-pyrazol-4-yl)acetic acid (CAS 1708026-23-6)
- 3-(5-(Pyridin-3-yl)-1,2,4-oxadiazol-3-yl)morpholine (CAS 1707571-75-2)
- N-(2-chlorobenzyl)-1-methylpiperidin-4-amine (CAS 415970-92-2)
- Isoproturon-D6 (CAS 1007461-76-8)
- 3-(3,4-dimethylphenyl)propanal (CAS 19938-01-3)
- Etoricoxib impurity 60 (CAS 3724-43-4)
- 5-(Thiophen-2-yl)-1H-1,2,3-triazole (CAS 369363-68-8)
- Asoprisnil (CAS 199396-76-4)
- 3,4-Diiodophenol (CAS 1243476-86-9)
- Benzyl 2-(3-oxocyclobutyl)acetate (CAS 1823317-05-0)
- 4,4'-Thiobis(2-methylphenol) (CAS 24197-34-0)
- Semaglutide impurity 29 (CAS CATO-C4X-222629)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com