1-Ethyl-N-(5-(isoxazol-5-yl)-1,3,4-oxadiazol-2-yl)-3-methyl-1H-pyrazole-5-carboxamide CAS 1171563-02-2
| CAS No. | 1171563-02-2 |
| Molecular Formula | C12H12N6O3 |
| Molecular Weight | 288.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1-Ethyl-N-(5-(isoxazol-5-yl)-1,3,4-oxadiazol-2-yl)-3-methyl-1H-pyrazole-5-carboxamide.
CATO supplies 1-Ethyl-N-(5-(isoxazol-5-yl)-1,3,4-oxadiazol-2-yl)-3-methyl-1H-pyrazole-5-carboxamide (CAS 1171563-02-2), a certified reference material (molecular formula C12H12N6O3, MW 288.26 g/mol) for analytical method development and quality control.
Structurally, 1-Ethyl-N-(5-(isoxazol-5-yl)-1,3,4-oxadiazol-2-yl)-3-methyl-1H-pyrazole-5-carboxamide (C12H12N6O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 288.26 g/mol, it falls into the medium-molecular-weight range. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
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
- 1-Ethyl-N-(5-(isoxazol-5-yl)-1,3,4-oxadiazol-2-yl)-5-methyl-1H-pyrazole-3-carboxamide (CAS 1171189-47-1)
- 2-Bromo-5-{[tert-butyl(dimethyl)silyl]oxy}pyridine (CAS 1198765-41-1)
- N-(5-(1,3-Dimethyl-1H-pyrazol-5-yl)-1,3,4-oxadiazol-2-yl)-3-methylisoxazole-5-carboxamide (CAS 1171142-86-1)
- 2-(3-(Benzo[d][1,3]dioxol-5-yl)-6-oxopyridazin-1(6H)-yl)propanoic acid (CAS 1286713-78-7)
- (3-(Azetidin-1-ylmethyl)phenyl)(3,4-dimethylphenyl)methanone (CAS 898771-77-2)
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