Ethyl 2-methylene-5-oxopentanoate CAS 138420-80-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 138420-80-1 |
| Molecular Formula | C8H12O3 |
| Molecular Weight | 156.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 2-methylene-5-oxopentanoate (CAS 138420-80-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H12O3. Molecular weight: 156.18 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H12O3 |
| Molecular Weight | 156.18 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1996 |
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- 2-(tert-Butyl)-3-hydroxybenzonitrile (CAS 1243362-68-6)
- N-Allyl-N-(3-pyrrolidinylmethyl)-2-propen-1-aminedihydrochloride (CAS 1219960-32-3)
- 1-(4-Chloro-5-methyl-3-(trifluoromethyl)-1H-pyrazol-1-yl)ethan-1-one (CAS 808764-27-4)
- Semaglutide impurity 25 (CAS CATO-C4X-222625)
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