3-[(E)-2-(4-Nitrophenyl)ethenyl]-2,1-benzoxazole CAS 338779-72-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 338779-72-9 |
| Molecular Formula | C15H10N2O3 |
| Molecular Weight | 266.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-[(E)-2-(4-Nitrophenyl)ethenyl]-2,1-benzoxazole (CAS 338779-72-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C15H10N2O3. Molecular weight: 266.25 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C15H10N2O3 |
| Molecular Weight | 266.25 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 | 2 |
Related E Standards
- 2-(1-(2-Nitrophenyl)-1H-pyrazol-5-yl)pyridine (CAS 1269291-81-7)
- 3-(1-(4-Nitrophenyl)-1H-pyrazol-5-yl)pyridine (CAS 1269291-88-4)
- 2-(1-(4-Nitrophenyl)-1H-pyrazol-5-yl)pyridine (CAS 1269292-16-1)
- 4-(1-(2-Nitrophenyl)-1H-pyrazol-5-yl)pyridine (CAS 1269293-00-6)
- 3-(1-(2-Nitrophenyl)-1H-pyrazol-5-yl)pyridine (CAS 1269293-33-5)
- 4-(1-(4-Nitrophenyl)-1H-pyrazol-5-yl)pyridine (CAS 1269293-94-8)
- EThyl 3-[(4-nitrophenyl)formamido]propanoate (CAS 172899-47-7)
- 1-(4-nitrophenyl)-1H-indole-3-carbaldehyde (CAS 65439-88-5)
Recommended Standards
- 3,6,9,12-Tetraoxatetradecane-1,14-dioic Acid (CAS 32775-08-9)
- 3-Amino-4,5,6-trimethoxy-1H-indole-2-carboxylic acid (CAS 696649-53-3)
- 3,3'-(Ethyne-1,2-diyl)dibenzoic acid (CAS 75077-81-5)
- 1,1-Ethane-1,2-diyldipyrrolidin-2-one (CAS 15395-91-2)
- 5425-44-5 53TCS8B01P 2-Phenyl-1,3-dithiane m-Dithiane, 2-phenyl- 1,3-Dithiane, 2-phenyl- (9CI) 5-19-01-00462 (Beilstein Handbook Reference) BRN 0130879 1,3-Dithiane, 2-phenyl- EINECS 226-568-1 NSC 12763 2-Phenyl-m-dithiane UNII-53TCS8B01P (CAS 5425-44-5)
- 2-(3-((Benzyl(methyl)amino)methyl)piperidin-1-yl)acetic acid (CAS 1353963-28-6)
- 1-(3-Chloropyridin-2-yl)cyclopropanamine dihydrochloride (CAS 1384264-21-4)
- N-(5-((4-nitrophenyl)thio)thiazol-2-yl)acetamide (CAS 7254-13-9)
- 5-Amino-8-methylquinoline (CAS 50358-40-2)
- Antiarrhythmic peptide (cattle atrium) (CAS 81771-37-1)
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