(3E)-1-Acetyl-4-benzyl-3-(phenylmethylidene)piperazine-2,5-dione CAS 338750-18-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 338750-18-8 |
| Molecular Formula | C20H18N2O3 |
| Molecular Weight | 334.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (3E)-1-Acetyl-4-benzyl-3-(phenylmethylidene)piperazine-2,5-dione (CAS 338750-18-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C20H18N2O3. Molecular weight: 334.37 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C20H18N2O3 |
| Molecular Weight | 334.37 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Recommended Standards
- (2e)-3-[1-benzyl-3-(2-methoxyphenyl)-1h-pyrazol-4-yl]prop-2-enoic acid (CAS 956353-97-2)
- (3r)-2-Acetyl-1-phenyl-1h,2h,3h,4h,9h-pyrido[3,4-b]indole-3-carboxylic acid (CAS 956923-54-9)
- (S)-2-((tert-Butoxycarbonyl)amino)-3-((1-methyl-1H-benzo[d]imidazol-2-yl)amino)propanoic acid (CAS 1956437-62-9)
- 5-((Tert-butoxycarbonyl)amino)-2,3-dimethylbenzoic acid (CAS 1343603-36-0)
- N-[(E)-(3-Bromo-2-hydroxy-5-methoxyphenyl)methylidene]nicotinohydrazide (CAS 477848-06-9)
- 1-[(Trimethylsilyl)ethynyl]-4-(trifluoromethyl)benzene 40230-95-3 [4-(Trifluoromethyl)phenyl](trimethylsilyl)acetylene (CAS 40230-95-3)
- 5-(4-Chlorophenyl)-1-(2-methoxyphenyl)-1H-pyrazol-3(2H)-one (CAS 1567335-44-7)
- 3,3-Dimethylpentanal (CAS 118993-47-8)
- Apalutamide Impurity 30 (CAS CATO-C4X-274930)
- MLCK inhibitor peptide 18 (CAS 224579-74-2)
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