1-Ethyl-N-(5-(isoxazol-5-yl)-1,3,4-oxadiazol-2-yl)-5-methyl-1H-pyrazole-3-carboxamide CAS 1171189-47-1
| CAS No. | 1171189-47-1 |
| Molecular Formula | C12H12N6O3 |
| Molecular Weight | 288.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Ethyl-N-(5-(isoxazol-5-yl)-1,3,4-oxadiazol-2-yl)-5-methyl-1H-pyrazole-3-carboxamide (CAS 1171189-47-1) is a high-purity analytical reference standard with the molecular formula C12H12N6O3 and a molecular weight of 288.26 g/mol.
Based on its molecular formula C12H12N6O3, 1-Ethyl-N-(5-(isoxazol-5-yl)-1,3,4-oxadiazol-2-yl)-5-methyl-1H-pyrazole-3-carboxamide 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 288.26 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1-Ethyl-N-(5-(isoxazol-5-yl)-1,3,4-oxadiazol-2-yl)-5-methyl-1H-pyrazole-3-carboxamide 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 | C12H12N6O3 |
| Molecular Weight | 288.26 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 6 |
Recommended Standards
- N-(5-(1,3-Dimethyl-1H-pyrazol-5-yl)-1,3,4-oxadiazol-2-yl)-3-methylisoxazole-5-carboxamide (CAS 1171142-86-1)
- 1-Ethyl-N-(5-(isoxazol-5-yl)-1,3,4-oxadiazol-2-yl)-3-methyl-1H-pyrazole-5-carboxamide (CAS 1171563-02-2)
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