(E)-4-(7-Methoxy-2-oxo-2H-chromen-8-yl)-2-methylbut-2-enal CAS 73292-92-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 73292-92-9 |
| Molecular Formula | C15H14O4 |
| Molecular Weight | 258.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
(E)-4-(7-Methoxy-2-oxo-2H-chromen-8-yl)-2-methylbut-2-enal (CAS 73292-92-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C15H14O4. Molecular weight: 258.27 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C15H14O4 |
| Molecular Weight | 258.27 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
Recommended Standards
- (E)-2-Hydroxy-3-(4-hydroxy-3-methylbut-2-en-1-yl)naphthalene-1,4-dione (CAS 523-34-2)
- (R)-2-Benzyltetrahydropyrrolo[1,2-a]pyrazine-1,4,7(6H)-trione (CAS 2137090-35-6)
- (E)-2,2-dimethyl-5-(3-phenylallylidene)-1,3-dioxane-4,6-dione (CAS 548765-13-5)
- Dihydo-alpha-ionone (CAS 31499-72-6)
- tert-Butyl 3-(oxiran-2-yl)piperidine-1-carboxylate (CAS 405087-74-3)
- 5-bromo-2-(chloromethyl)-1-methyl-1H-1,3-benzodiazole hydrochloride (CAS 1803599-16-7)
- 4-(2,5-Dichlorophenoxy)benzoic acid (CAS 938228-47-8)
- 2-(2-(Dimethylamino)phenyl)ethanol (CAS 5339-27-5)
- (1E)-1-[1-(4-Chlorophenyl)-2,5-dimethyl-1H-pyrrol-3-yl]-N-(4-ethylphenyl)methanimine (CAS 357664-69-8)
- Semaglutide Impurity 192 (CAS CATO-C4X-2226192)
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