(E)-5-(2-((2,4-difluorophenyl)amino)vinyl)-3-phenylisoxazole-4-carbonitrile CAS 303995-81-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303995-81-5 |
| Molecular Formula | C18H11F2N3O |
| Molecular Weight | 323.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(E)-5-(2-((2,4-difluorophenyl)amino)vinyl)-3-phenylisoxazole-4-carbonitrile (CAS 303995-81-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H11F2N3O. Molecular weight: 323.30 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H11F2N3O |
| Molecular Weight | 323.30 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
- (6-(6-Amino-9H-purin-9-yl)-2-ethoxytetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methanol (CAS 175203-92-6)
- 1-((4-Methyl-2,6-dinitrophenyl)amino)cyclohexane-1-carboxylic acid (CAS 866155-55-7)
- (5-([1,3]Dioxolo[4,5-f]isoquinolin-8-yl)benzo[d][1,3]dioxol-4-yl)methanol (CAS 164991-68-8)
- 2-Amino-6-(trifluoromethyl)-1H-indole-3-carbonitrile (CAS 1242140-69-7)
- 3,5-Difluoro-2-nitrobenzonitrile (CAS 868596-13-8)
- 5-(4-Methoxyphenyl)-3-(methylthio)-1,2,4-triazine (CAS 69466-83-7)
- tert-Butyl 3-{[2-(1h-indol-3-yl)ethyl]amino}propanoate (CAS 127209-02-3)
- 5-Amino-2-((2-methoxyphenoxy)methyl)benzoic acid (CAS 1344691-67-3)
- 3-Allyl-4-hydroxybenzonitrile (CAS 90923-69-6)
- (β-Asp5)-Delta-Sleep Inducing Peptide (CAS 82602-88-8)
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