(1E,4E)-1,5-Bis(2-methoxyphenyl)penta-1,4-dien-3-one CAS 39777-61-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 39777-61-2 |
| Molecular Formula | C19H18O3 |
| Molecular Weight | 294.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
(1E,4E)-1,5-Bis(2-methoxyphenyl)penta-1,4-dien-3-one (CAS 39777-61-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H18O3. Molecular weight: 294.34 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H18O3 |
| Molecular Weight | 294.34 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
Recommended Standards
- (1,4,7,10,13,16-Hexaoxacyclooctadecan-2-yl)methanol (CAS 70069-04-4)
- (1E,4E)-1,5-bis(2-methoxyphenyl)penta-1,4-dien-3-one (CAS 41973-42-6)
- tert-butyl N-[4-(4-fluorophenyl)-1,3-thiazol-5-yl]carbamate (CAS 1909309-21-2)
- Ethyl 6-methoxyquinoline-3-carboxylate, 97% (CAS 26660-48-0)
- (1R,3S)-3-Amino-2,2-dimethyl-cyclobutanol (CAS 1821821-75-3)
- Lidocaine Impurity 98 (CAS CATO-C4X-167998)
- Methyl 3-(2-cyanoethyl)picolinate (CAS 2352865-77-9)
- Methyl 5-cyclopropyl-2,5-dihydroisoxazole-5-carboxylate (CAS 887360-91-2)
- N-(prop-2-yn-1-yl)hexa-2,4-dienamide (CAS 88973-96-0)
- D-[Arg]30-Semaglutide (CAS CATO-C4X-222653)
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