1-(4-(5-Ethyl-1,2,4-oxadiazol-3-yl)phenyl)-1H-pyrazole-3-carboxylic acid CAS 1708079-86-0
| CAS No. | 1708079-86-0 |
| Molecular Formula | C14H12N4O3 |
| Molecular Weight | 284.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C14H12N4O3, 1-(4-(5-Ethyl-1,2,4-oxadiazol-3-yl)phenyl)-1H-pyrazole-3-carboxylic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 284.27 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).
1-(4-(5-Ethyl-1,2,4-oxadiazol-3-yl)phenyl)-1H-pyrazole-3-carboxylic acid (CAS 1708079-86-0) is a high-purity analytical reference standard with the molecular formula C14H12N4O3 and a molecular weight of 284.27 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1-(4-(5-Ethyl-1,2,4-oxadiazol-3-yl)phenyl)-1H-pyrazole-3-carboxylic acid 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.
Physical & Chemical Properties
| Molecular Formula | C14H12N4O3 |
| Molecular Weight | 284.27 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 4 |
Related Ethyl Standards
- 1-((4-Methyl-1,2,5-oxadiazol-3-yl)methyl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 1351382-95-0)
- 4-((3-Methyl-1,2,4-oxadiazol-5-yl)methyl)-5-phenylisoxazole-3-carboxylic acid (CAS 1352496-41-3)
- 1-(5-(3-Ethyl-1,2,4-oxadiazol-5-yl)pyridin-2-yl)-1H-imidazole-4-carboxylic acid (CAS 1338653-63-6)
- 1-(3-(3-Ethyl-1,2,4-oxadiazol-5-yl)pyridin-2-yl)-1H-imidazole-4-carboxylic acid (CAS 1338658-79-9)
- 1-(4-(3-Ethyl-1,2,4-oxadiazol-5-yl)pyridin-2-yl)-1H-imidazole-4-carboxylic acid (CAS 1338683-32-1)
- 3-((2-(5-Methyl-1,2,4-oxadiazol-3-yl)piperidin-1-yl)methyl)benzonitrile (CAS 1326860-41-6)
- 2-((3-Phenyl-1,2,4-oxadiazol-5-yl)amino)benzoic acid (CAS 106832-95-5)
- 2-[7-(3-Propyl-1,2,4-oxadiazol-5-yl)-[1,2,4]triazolo[4,3-a]pyridin-3-yl]acetic acid (CAS 1338666-46-8)
Recommended Standards
- Methyl 1-(4-(5-methyl-1,2,4-oxadiazol-3-yl)phenyl)-1H-pyrazole-3-carboxylate (CAS 1707562-48-8)
- N-(3-Nitrophenyl)-3-oxo-3-phenylpropanamide (CAS 1734-36-7)
- (S)-3-(1H-Imidazol-4-yl)-2-((2-oxoindolin-3-ylidene)amino)propanoic acid (CAS 167489-39-6)
- 2-((2-Carbamoylphenyl)carbamoyl)benzoic acid (CAS 18257-54-0)
- 2-Bromo-6-(3,3,3-trifluoropropyloxyl)benzaldehyde (CAS 1713160-79-2)
- Tert-butyl (3R,4R)-3-(aminomethyl)-4-(4-chlorophenyl)pyrrolidine-1-carboxylate (CAS 1260608-81-8)
- 5-Iodo-2-methylnicotinaldehyde (CAS 1289071-76-6)
- n-Phenylpiperazine-1-carboxamide (CAS 115994-87-1)
- 1-(3-(Perfluoropropyl)-5-phenyl-1H-pyrazol-1-yl)ethan-1-one (CAS 231947-24-3)
- 2-(Trifluoromethyl)quinoline 2-Trifluoromethyl-quinoline 347-42-2 A25656 (CAS 347-42-2)
- methyl 1-(methyl-d3)-1H-indole-2-carboxylate (CAS 1620064-99-4)
- (1-Bromoethyl)cyclopentane (CAS 931-02-2)
- 3-Chloro-2-iodoaniline hydrochloride (CAS 1187928-28-4)
- Semaglutide impurity 93 (CAS CATO-C4X-222693)
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