(E)-4-Ethoxy-3-methyl-4-oxobut-2-enoic acid CAS 89966-38-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 89966-38-1 |
| Molecular Formula | C7H9O4 |
| Molecular Weight | 157.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(E)-4-Ethoxy-3-methyl-4-oxobut-2-enoic acid (CAS 89966-38-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C7H9O4. Molecular weight: 157.14 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C7H9O4 |
| Molecular Weight | 157.14 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1982 |
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- [3-(furan-2-yl)-1,2,4-oxadiazol-5-yl]methanol (CAS 1153452-67-5)
- Glucagon receptor antagonists-2 (CAS 202917-18-8)
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