(E)-4-((5-(3-nitrophenyl)furan-2-yl)methylene)-2-phenyloxazol-5(4H)-one CAS 300731-59-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 300731-59-3 |
| Molecular Formula | C20H12N2O5 |
| Molecular Weight | 360.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(E)-4-((5-(3-nitrophenyl)furan-2-yl)methylene)-2-phenyloxazol-5(4H)-one (CAS 300731-59-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H12N2O5. Molecular weight: 360.32 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C20H12N2O5 |
| Molecular Weight | 360.32 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Related E Standards
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- (E)-3-(3-nitrophenyl)-N-(4-phenoxyphenyl)acrylamide (CAS 331462-24-9)
- Bis-(4-nitrophenyl)succinate (CAS 33109-58-9)
- 1-(4-Nitrophenyl)piperidin-4-one O-(4-chlorobenzyl) oxime (CAS 338757-93-0)
- 1-(4-(5-(2-Nitrophenyl)furan-2-carbonothioyl)piperazin-1-yl)ethan-1-one (CAS 370575-98-7)
- 3-(4-Nitrophenyl)-5-((phenylselanyl)methyl)-4,5-dihydroisoxazole (CAS 833462-36-5)
- 6-(4-(4-Nitrophenyl)piperazine-1-carbonyl)cyclohex-3-ene-1-carboxylic acid (CAS 329042-69-5)
- 4-[(E)-2-[(3-Nitrophenyl)methylidene]hydrazin-1-yl]-2-(trifluoromethyl)quinazoline (CAS 303148-94-9)
Recommended Standards
- 2-[3,5-Bis(furan-2-carbonyl)benzoyl]furan (CAS 16801-56-2)
- 2-((2,4-Dichlorobenzyl)thio)-N-methyl-6-((methylthio)methyl)pyrimidin-4-amine (CAS 341965-70-6)
- 2-((3,4-Dichlorobenzyl)thio)-N-methyl-6-((methylthio)methyl)pyrimidin-4-amine (CAS 341965-62-6)
- 1-(2,6-Dimethylphenyl)-4-ethyl-2-methyl-1H-imidazol-5(4H)-one (CAS 64429-46-5)
- n′-(2-aMinoethyl)-n,n-dimethylsulfamide (CAS 107674-92-0)
- N-(3,4-Dimethylphenyl)-2-{[(4-fluorophenyl)sulfonyl]amino}propanamide (CAS 317378-02-2)
- 4-Bromo-5-methoxy-1H-benzo[d]imidazole (CAS 1008361-66-7)
- 3-(4,5-Dichloro-6-oxo-1,6-dihydropyridazin-1-yl)-1lambda6-thiolane-1,1-dione (CAS 867329-88-2)
- Buserelin EP Impurity G (CAS CATO-C4X-22129)
- KALA Amphipathic Peptide (CAS 187987-64-0)
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 13829788188 / jacky.chen@cato-chem.com