8-[3-(3-Methylphenyl)-1,2,4-oxadiazol-5-yl]-2H,3H-[1,2,4]triazolo[4,3-a]pyridin-3-one CAS 1239848-75-9
| CAS No. | 1239848-75-9 |
| Molecular Formula | C15H11N5O2 |
| Molecular Weight | 293.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C15H11N5O2, 8-[3-(3-Methylphenyl)-1,2,4-oxadiazol-5-yl]-2H,3H-[1,2,4]triazolo[4,3-a]pyridin-3-one 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 293.28 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).
8-[3-(3-Methylphenyl)-1,2,4-oxadiazol-5-yl]-2H,3H-[1,2,4]triazolo[4,3-a]pyridin-3-one (CAS 1239848-75-9), molecular formula C15H11N5O2 and molecular weight 293.28 g/mol, is a CATO reference standard with documented purity and traceability.
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 8-[3-(3-Methylphenyl)-1,2,4-oxadiazol-5-yl]-2H,3H-[1,2,4]triazolo[4,3-a]pyridin-3-one 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 | C15H11N5O2 |
| Molecular Weight | 293.28 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 5 |
Related Methylphenyl Standards
- 8-[3-(4-Methylphenyl)-1,2,4-oxadiazol-5-yl]-2H,3H-[1,2,4]triazolo[4,3-a]pyridin-3-one (CAS 1239776-62-5)
- 2-[(2-Methylphenyl)sulfanyl]-5-(trifluoromethyl)benzenecarbonitrile (CAS 477866-93-6)
- 2-[(4-Methylphenyl)sulfanyl]-5-(trifluoromethyl)benzenecarbonitrile (CAS 477867-12-2)
- 2-[(5Z)-5-[(4-Methylphenyl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]acetic acid (CAS 82158-68-7)
- Bis(4-methylphenyl)-1,2,4-triazine-3-thiol (CAS 63031-39-0)
- N-(4-Methylphenyl)-1-(6-methylpyridin-2-yl)-1H-imidazole-4-carboxamide (CAS 477864-36-1)
- 1-Benzyl-3-(4-methylphenyl)-1h-pyrazole-4-carboxylic acid (CAS 956453-12-6)
- N-(4-Methylphenyl)-4-nitrobenzenesulfonamide (CAS 109845-76-3)
Recommended Standards
- 2-Amino-9-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-8-vinyl-1,9-dihydro-6H-purin-6-one (CAS 1312706-64-1)
- (2R,3R,4S,5R)-2-(6-amino-2-vinyl-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (CAS 122970-27-8)
- Methyl 2-{2-[(ethoxycarbonyl)amino]-4-pyridinyl}-4,5-dihydro-1,3-oxazole-4-carboxylate (CAS 1353505-97-1)
- 1-((2S,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-5-methyl-4-(1H-1,2,4-triazol-1-yl)pyrimidin-2(1H)-one (CAS 109389-25-5)
- N-(4-Oxo-2-sulfanylidene-1,3-thiazolidin-3-yl)-2-phenoxyacetamide (CAS 289623-01-4)
- 2-Methoxy-N-(2-methoxy-3-methylbenzyl)ethanamine (CAS 1427019-93-9)
- Isopropyl 4-amino-1-methyl-1h-pyrazole-3-carboxylate (CAS 1482617-80-0)
- Methyl 3-(2,6-difluorophenylsulfonamido)-2-fluorobenzoate (CAS 1195768-19-4)
- 2-Benzhydryl-6-methyl-8-oxa-2,5-diazaspiro[3.5]Nonane (CAS 1639963-80-6)
- 4-(Difluoromethyl)-5-iodo-3-(trifluoromethyl)pyridin-2-ol (CAS 1807065-71-9)
- {furo[3,2-b]pyridin-6-yl}boronic acid (CAS 1404467-00-0)
- 2-(Ethoxymethyl)-1,3-thiazole-4-carboxylic acid (CAS 1495157-12-4)
- Methyl 6-Chloro-2-(thiophen-2-yl)pyrimidine-4-carboxylate (CAS 1159979-32-4)
- Semaglutide Impurity 147 (CAS CATO-C4X-2226147)
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