5-[(E)-2-[(3,4-Dimethylphenyl)amino]ethenyl]-3-phenyl-1,2-oxazole-4-carbonitrile CAS 303995-72-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303995-72-4 |
| Molecular Formula | C20H17N3O |
| Molecular Weight | 315.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-[(E)-2-[(3,4-Dimethylphenyl)amino]ethenyl]-3-phenyl-1,2-oxazole-4-carbonitrile (CAS 303995-72-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C20H17N3O. Molecular weight: 315.37 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C20H17N3O |
| Molecular Weight | 315.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | 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 |
| Nitrogen Atoms | 3 |
Related E Standards
- N-(2,6-Dimethylphenyl)-5-(pyridin-4-yl)imidazo[1,5-a]pyrazin-8-amine (CAS 849200-70-0)
- N-(2,6-Dimethylphenyl)-2,2-diphenylacetamide (CAS 18109-40-5)
- N-(2,4-Dimethylphenyl)-2,2-diphenylacetamide (CAS 70298-68-9)
- N-(2,5-Dimethylphenyl)-2,2-diphenylacetamide (CAS 70298-67-8)
- N-(3,4-Dimethylphenyl)-2,2-diphenylacetamide (CAS 70298-69-0)
- N-(3,5-Dimethylphenyl)-2,2-diphenylacetamide (CAS 70298-70-3)
- (4-(2,3-Dimethylphenyl)piperazin-1-yl)(4-methylpiperidin-1-yl)methanone (CAS 890605-14-8)
- 3-(2,4-Dimethylphenyl)-4-iodo-1,2,3-oxadiazol-3-ium-5-olate (CAS 358334-40-4)
Recommended Standards
- 5,8-Dimethoxy-2-(naphthalen-2-yl)quinoline (CAS 618886-14-9)
- 5-{1-[(2-methylphenyl)methyl]-1H-1,3-benzodiazol-2-yl}-1,2-dihydropyridin-2-one (CAS 860784-66-3)
- 5-(4-Ethoxyphenyl)-4-(2-fluorophenyl)-4H-1,2,4-triazole-3-thiol (CAS 885460-05-9)
- (2S)-2-[tert-butoxycarbonyl(methyl)amino]-4-fluoro-4-methyl-pentanoic acid (CAS 156047-44-8)
- 3-bromo-5-(chlorosulfonyl)-2,6-dimethylbenzoic acid (CAS 1909325-10-5)
- (S)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(3,4-dichlorophenyl)propanoic acid (CAS 1260615-83-5)
- 1-(((4-Chlorophenoxy)carbonyl)oxy)ethyl isobutyrate (CAS 1622940-14-0)
- 3-Propyl-2-sulfanylidene-1H,2H,3H,4H-thieno[3,2-d]pyrimidin-4-one (CAS 187538-55-2)
- [5-(4-Chlorobenzenesulfonyl)-1-methyl-3-phenyl-1H-pyrazol-4-yl]methyl 3-(trifluoromethyl)benzoate (CAS 318289-04-2)
- Acetyl Tetrapeptide-5 (CAS 820959-17-9)
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