3-Methyl-5-(4-nitrophenyl)-1,2,4-oxadiazole CAS 1455-82-9
| CAS No. | 1455-82-9 |
| Molecular Formula | C9H7N3O3 |
| Molecular Weight | 205.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Methyl-5-(4-nitrophenyl)-1,2,4-oxadiazole (CAS 1455-82-9), a certified reference material (molecular formula C9H7N3O3, MW 205.17 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H7N3O3, 3-Methyl-5-(4-nitrophenyl)-1,2,4-oxadiazole 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 205.17 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 3-Methyl-5-(4-nitrophenyl)-1,2,4-oxadiazole 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 | C9H7N3O3 |
| Molecular Weight | 205.17 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- 2-(2-Methyl-3-nitrophenyl)-1,3,4-oxadiazole (CAS 1092345-76-0)
- 2-(3-methyl-4-nitrophenyl)-1,3,4-oxadiazole (CAS 1118786-96-1)
- 5-(2-Methyl-5-nitrophenyl)-2H-tetrazole (CAS 1203801-06-2)
- 4-(2-Nitrophenyl)oxazol-2-amine (CAS 1248008-00-5)
- 5-[(4-nitrophenyl)methyl]-1H-1,2,3,4-tetrazole (CAS 131090-44-3)
- 5-(4-Nitrophenyl)oxazol-2-amine (CAS 13576-56-2)
- 5-(3-Nitrophenyl)isoxazol-3-amine (CAS 1463481-61-9)
- 5-(2-Nitrophenyl)isoxazol-3-amine (CAS 1491103-98-0)
Recommended Standards
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- 7-Bromoquinoline-8-thiol (CAS 20738-25-4)
- 1-(4-Ethoxy-3-methoxyphenyl)ethanone (CAS 75665-89-3)
- Ethyl 5-(methylsulfonyl)isoxazole-3-carboxylate (CAS 1708258-38-1)
- Cabotegravir Impurity 13 (CAS CATO-C4X-287613)
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- Ketotifen Impurity 24 (CAS CATO-C4X-204624)
- Hexapeptide-10 (CAS 146439-94-3)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com