5-[2-(4-Methoxyanilino)vinyl]-3-phenyl-4-isoxazolecarbonitrile CAS 303995-74-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303995-74-6 |
| Molecular Formula | C19H15N3O2 |
| Molecular Weight | 317.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-[2-(4-Methoxyanilino)vinyl]-3-phenyl-4-isoxazolecarbonitrile (CAS 303995-74-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H15N3O2. Molecular weight: 317.34 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H15N3O2 |
| Molecular Weight | 317.34 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 5,6-Bis(4-methoxyphenyl)pyridazine-3-carbonitrile (CAS 375793-04-7)
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- 5-((1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)amino)-5-oxopentanoic acid (CAS 37833-20-8)
- 2-Hydroxy-6,7-dihydro-1H-cyclopenta[b]pyridin-4(5H)-one (CAS 1823743-81-2)
- 6-methyl-1λ⁶,4-thiazepane-1,1-dione (CAS 1495134-83-2)
- O1-[(1-tert-butoxycarbonyl-4-piperidyl)methyl] O4-methyl 4-fluoropiperidine-1,4-dicarboxylate (CAS 2055839-71-7)
- (2S,4S)-4-hydroxytetrahydrofuran-2-carboxylic acid (CAS 1932010-88-2)
- 3-Cyclopropoxy-5-formyl-N,N-dimethylisonicotinamide (CAS 1243323-41-2)
- (2-(Adamantan-1-yl)-6,8-dichloroquinolin-4-yl)(piperidin-2-yl)methanol (CAS 785718-37-8)
- [β-Asp]9-Semaglutide (CAS CATO-CPTD788605)
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