Ethyl 3-Cyclohexyl-1,2,4-oxadiazole-5-carboxylate CAS 49586-75-6
| CAS No. | 49586-75-6 |
| Molecular Formula | C11H16N2O3 |
| Molecular Weight | 224.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 3-Cyclohexyl-1,2,4-oxadiazole-5-carboxylate (C11H16N2O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Ethyl 3-Cyclohexyl-1,2,4-oxadiazole-5-carboxylate (CAS 49586-75-6), molecular formula C11H16N2O3 and molecular weight 224.26 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 Ethyl 3-Cyclohexyl-1,2,4-oxadiazole-5-carboxylate 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 | C11H16N2O3 |
| Molecular Weight | 224.26 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- 3-(3-Cyclohexyl-1,2,4-oxadiazol-5-yl)propanoic acid (CAS 1152535-96-0)
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- N-Cyclohexyl-1-methyl-4-nitro-1H-pyrazol-3-amine (CAS 1429417-73-1)
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Recommended Standards
- Ethyl 3-amino-4-[(2-hydroxyethyl)amino]benzoate (CAS 91430-70-5)
- ethyl 3-oxazol-4-ylpiperidine-1-carboxylate (CAS 2383660-95-3)
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- Ethyl 4-hydroxy-5,6,7,8-tetrahydro-4H-pyrazolo[1,5-a]azepine-2-carboxylate (CAS 459157-28-9)
- 3,3,3-(2,4,6-Trioxo-1,3,5-triazinane-1,3,5-triyl)tripropanenitrile (CAS 2904-28-1)
- Digitoxigenin Mono-b-D-digitoxoside (CAS 18404-43-8)
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- Ac-Asp-Glu-Val-Asp-pNA (CAS 189684-50-2)
- 5-Bromo-3-cyclopropoxy-2-(methylthio)pyridine (CAS 1243356-99-1)
- 4-(Difluoromethyl)-2-methoxy-3-methylpyridine (CAS 1805306-75-5)
- 8-(bromomethyl)-5-chloroquinoline (CAS 88474-19-5)
- 2-bromo-4-fluoro-5-methoxybenzonitrile (CAS 1410791-42-2)
- 4,7-Bis(5-bromothiophen-2-yl)-2-(2-butyloctyl)-5,6-difluoro-2H-benzo[d][1,2,3]triazole (CAS 1283099-29-5)
- Semaglutide impurity 70 (CAS CATO-C4X-222670)
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