2-Ethyl-4-(2-fluorobenzylidene)oxazol-5(4H)-one CAS 538339-28-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 538339-28-5 |
| Molecular Formula | C12H10FNO2 |
| Molecular Weight | 219.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-Ethyl-4-(2-fluorobenzylidene)oxazol-5(4H)-one (CAS 538339-28-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C12H10FNO2. Molecular weight: 219.21 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C12H10FNO2 |
| Molecular Weight | 219.21 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Ethyl Standards
- (Z)-5-(4-Fluorobenzylidene)-1,3-thiazolidine-2,4-dione (CAS 291536-35-1)
- 5-[(4-Fluorobenzylidene]-2,4-thiazolidinedione (CAS 262601-87-6)
- N-(4-Fluorobenzylidene)-4-methylaniline (CAS 39769-11-4)
- N-(4-Fluorobenzylidene)-4-methoxyaniline (CAS 39769-08-9)
- (E)-2-(2-fluorobenzylidene)quinuclidin-3-one (CAS 55111-33-6)
- 2-(4-Fluorobenzylidene)-4,4-dimethyl-3-oxopentanenitrile (CAS 391649-86-8)
- 2-(4-Fluorobenzylidene)quinuclidin-3-one (CAS 209863-77-4)
- 3-(4-Fluorobenzylidene)pentane-2,4-dione (CAS 15851-94-2)
Recommended Standards
- 2,7-dimethyl-5-(trifluoromethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine (CAS 949980-32-9)
- 3-Fluoro-5,7-dimethylquinoline-4-carboxylic acid (CAS 834884-23-0)
- 2,5-Dimethyl-7-(trifluoromethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine (CAS 869945-59-5)
- Ethyl 6-Chlorobenzo[b]thiophene-2-carboxylate (CAS 105191-53-5)
- 2-(2-bromo-5-methoxyphenyl)-2-(methylamino)acetic acid hydrochloride (CAS 1864013-95-5)
- 4,4,5,5-Tetramethyl-2-(selenophen-2-yl)-1,3,2-dioxaborolane (CAS 1338368-18-5)
- ((2S,4R,5R)-5-(6-Amino-9H-purin-9-yl)-4-((tert-butyldimethylsilyl)oxy)tetrahydrofuran-2-yl)methanol (CAS 862179-58-6)
- 3-Ethoxybenzene-1,2-diamine (CAS 191849-71-5)
- trans-4-((Benzyloxy)methyl)cyclohexanecarboxylic acid (CAS 2304449-48-5)
- Glu17-Semaglutide (CAS CATO-C4X-2226209)
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