1-(5-Methyl-[1,2,4]oxadiazol-3-yl)-ethanone CAS 861334-81-8
| CAS No. | 861334-81-8 |
| Molecular Formula | C5H6N2O2 |
| Molecular Weight | 126.11 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-(5-Methyl-[1,2,4]oxadiazol-3-yl)-ethanone.
1-(5-Methyl-[1,2,4]oxadiazol-3-yl)-ethanone (CAS 861334-81-8), molecular formula C5H6N2O2 and molecular weight 126.11 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H6N2O2, 1-(5-Methyl-[1,2,4]oxadiazol-3-yl)-ethanone 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 126.11 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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-(5-Methyl-[1,2,4]oxadiazol-3-yl)-ethanone 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 | C5H6N2O2 |
| Molecular Weight | 126.11 g/mol |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- 1-(5-Methyl-1,3,4-oxadiazol-2-yl)ethanone (CAS 1104197-69-4)
- 1-(4-Methyl-1,2,5-oxadiazol-3-yl)ethan-1-one (CAS 165067-10-7)
- 1-(3-Methyl-1,2,4-oxadiazol-5-yl)ethanone (CAS 92845-58-4)
- 1-(1,2,4-Oxadiazol-5-yl)cyclopropan-1-amine (CAS 1693846-39-7)
- 2-((1,3,4-Oxadiazol-2-yl)oxy)acetonitrile (CAS 258521-12-9)
- (3-Ethyl-1,2,4-oxadiazol-5-yl)methanamine (CAS 103457-61-0)
- 1-(3-Methyl-1,2,4-oxadiazol-5-yl)ethanamine (CAS 1041578-67-9)
- 3-(1,3,4-Oxadiazol-2-yl)propan-1-amine (CAS 1082469-12-2)
Recommended Standards
- 1,2-Dihydro-4-methyl-3,6-pyridazinedione (CAS 5754-18-7)
- 1-(3-Hydroxyfuran-2-yl)ethanone (CAS 3420-59-5)
- 1,4-Dimethyl-1H-imidazole-2,5-dione (CAS 287933-43-1)
- 1-(2-Hydroxy-1H-imidazol-5-yl)ethan-1-one (CAS 92635-44-4)
- 2-(1-Methyl-1H-imidazol-2-yl)ethan-1-ol (CAS 18994-70-2)
- Ethyl 3-(4-chloro-5-methyl-1h-pyrazol-1-yl)-2-(methylamino)propanoate (CAS 1340558-65-7)
- trans-4-(((tert-Butoxycarbonyl)(methyl)amino)methyl)cyclohexane-1-carboxylic acid (CAS 165947-29-5)
- N-(4-chloro-2-fluorophenyl)-2-hydroxyacetamide (CAS 1155534-62-5)
- 3-Amino-N-(4-methoxy-phenyl)-4-pyrrolidin-1-yl-benzenesulfonamide (CAS 326023-23-8)
- (S)-2-(4-Iodobenzamido)pentanedioic acid (CAS 38974-68-4)
- 2-Formyl-6-(methoxycarbonyl)isonicotinic acid (CAS 1393544-51-8)
- ethyl 2-ethyl-4-methyl-1,3-thiazole-5-carboxylate (CAS 354587-62-5)
- 4-Hydroxy-2-methoxybenzyl bromide (CAS 188128-75-8)
- Peptide Impurity 05 (CAS 2322924-83-2)
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