Diethyl 3-methylcyclobutane-1,1-dicarboxylate CAS 20939-62-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20939-62-2 |
| Molecular Formula | C11H18O4 |
| Molecular Weight | 214.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Diethyl 3-methylcyclobutane-1,1-dicarboxylate (CAS 20939-62-2) pharmaceutical standards reference standard. Molecular formula: C11H18O4. Molecular weight: 214.26 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C11H18O4 |
| Molecular Weight | 214.26 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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.) | 1962 |
Related Diethyl Standards
- Diethyl cyclopentane-1,3-dicarboxylate (CAS 14277-18-0)
- Diethyl 2-ethylcyclopropane-1,1-dicarboxylate (CAS 16783-06-5)
- (E)-Diethyl 2-(but-2-en-1-yl)malonate (CAS 84200-37-3)
- Diethyl 2-(2-methylpropylidene)malonate (CAS 5652-68-6)
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Recommended Standards
- Diethyl cyclopentane-1,1-dicarboxylate (CAS 4167-77-5)
- Diethyl cyclopentane-1,2-dicarboxylate (CAS 90474-13-8)
- dimethyl 1,3-dimethylcyclopentane-1,3-dicarboxylate (CAS 546101-12-6)
- 4-(2-Phenoxyacetyl)piperazin-2-one (CAS 587850-66-6)
- Ethyl 2-(2-(4-(trifluoromethyl)phenyl)thiazol-4-yl)acetate (CAS 680215-92-3)
- 2,6-Dihydroxypyridine-4-carboxamide (CAS 14533-64-3)
- Terbutaline impurity 127 (CAS CATO-C4X-1183127)
- 3-Chloroisoquinolin-7-amine (CAS 1374651-87-2)
- 2,4,5-Trifluoro-3-methoxybenzaldehyde (CAS 1260679-12-6)
- Liraglutide Impurity 15 TFA Salt (CAS CATO-C4X-199215)
Why CATO?
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com