5-(2-Methoxyphenyl)-3-(3-nitrophenyl)-1,2,4-oxadiazole CAS 352341-25-4
| CAS No. | 352341-25-4 |
| Molecular Formula | C15H11N3O4 |
| Molecular Weight | 297.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
5-(2-Methoxyphenyl)-3-(3-nitrophenyl)-1,2,4-oxadiazole (CAS 352341-25-4), molecular formula C15H11N3O4 and molecular weight 297.27 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-(2-Methoxyphenyl)-3-(3-nitrophenyl)-1,2,4-oxadiazole (C15H11N3O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 297.27 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C15H11N3O4 |
| Molecular Weight | 297.27 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
Related Methoxyphenyl Standards
- 2-(4-Methoxyphenyl)-5-(2-nitrophenyl)-1,3,4-oxadiazole (CAS 107821-64-7)
- N-(2-Methoxyphenyl)-3-(pyrazin-2-yl)-1,2,4-oxadiazole-5-carboxamide (CAS 1219902-55-2)
- N-(5-(3-Methoxyphenyl)-1,3,4-oxadiazol-2-yl)pyrazine-2-carboxamide (CAS 1251543-94-8)
- 2-(3-Methoxyphenyl)-5-(4-nitrophenyl)-1,3,4-oxadiazole (CAS 62507-53-3)
- 2-(4-Methoxyphenyl)-5-(4-nitrophenyl)-1,3,4-oxadiazole (CAS 62507-51-1)
- 2-(2-Methoxyphenyl)-1,3-dioxoisoindoline-5-carboxylic acid (CAS 110768-14-4)
- 2-(4-Methoxyphenyl)-1,3-dioxoisoindoline-5-carboxylic acid (CAS 160878-87-5)
- 2-(3-Methoxyphenyl)-1,3-dioxoisoindoline-5-carboxylic acid (CAS 166096-48-6)
Recommended Standards
- 5-((phenoxycarbonyl)amino)-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid (CAS 858340-97-3)
- 6-((2-Methylquinolin-8-yl)oxy)-5-nitropyrimidin-4-amine (CAS 450346-38-0)
- 4-Cyano-N-(4-methoxy-2-nitrophenyl)benzamide (CAS 476275-83-9)
- 6-Amino-3-methyl-4-(3-nitrophenyl)-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile (CAS 81000-13-7)
- Bis-1-[3,3-[(4S)-4,5-dihydro-4-phenyl-2-oxazolyl]propyl]piperidine (CAS 1215847-17-8)
- 1-(Heptafluoropropoxy)-4-nitrobenzene (CAS 1146289-83-9)
- [1,1':3',1'':3'',1'''-Quaterphenyl]-3,3''',5,5'''-tetracarbaldehyde (CAS 2459652-60-7)
- 1-(4-Chloro-1-methyl-1h-pyrazol-5-yl)ethan-1-one (CAS 1006482-78-5)
- N2-(((9H-fluoren-9-yl)methoxy)carbonyl)-N6-carbamimidoyl-L-lysine hydrochloride (CAS 208174-14-5)
- Fluvoxamine impurity 44 (CAS CATO-C4X-195144)
- 1,3-Dimethyl-7-(prop-2-yn-1-yl)-3,7-dihydro-1h-purine-2,6-dione (CAS 14114-45-5)
- 6-(tert-Butyldimethylsilyloxy)-1-hexyne (CAS 73448-13-2)
- 5-(3-methanesulfonylphenyl)pyridin-2-amine (CAS 1314987-83-1)
- Semaglutide impurity 80 (CAS CATO-C4X-222680)
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