Ethyl 4-chloro-2-(ethoxymethylene)-3-oxobutanoate CAS 91168-75-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 91168-75-1 |
| Molecular Formula | C9H13ClO4 |
| Molecular Weight | 220.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Ethyl 4-chloro-2-(ethoxymethylene)-3-oxobutanoate (CAS 91168-75-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C9H13ClO4. Molecular weight: 220.65 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C9H13ClO4 |
| Molecular Weight | 220.65 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1983 |
| Halogen Content | Cl-containing |
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- Semaglutide impurity 30 (CAS CATO-C4X-222630)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com