Trans-diethyl 4-methylenecyclopentane-1,2-dicarboxylate CAS 63649-25-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 63649-25-2 |
| Molecular Formula | C12H18O4 |
| Molecular Weight | 226.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Trans-diethyl 4-methylenecyclopentane-1,2-dicarboxylate (CAS 63649-25-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C12H18O4. Molecular weight: 226.27 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C12H18O4 |
| Molecular Weight | 226.27 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
Related Trans Standards
- Diethyl cyclohex-4-ene-1,2-dicarboxylate (CAS 13043-60-2)
- Diethyl 2-(bicyclo[1.1.1]Pentan-1-yl)malonate (CAS 131515-32-7)
- 1,1-diethyl cyclohex-3-ene-1,1-dicarboxylate (CAS 38511-09-0)
- 1,2-Diethyl (1R,2S)-rel-cyclohex-4-ene-1,2-dicarboxylate (CAS 4841-85-4)
- Diethyl (1R,2R)-cyclohex-4-ene-1,2-dicarboxylate (CAS 5048-50-0)
- Diethyl (1S,2S)-cyclohex-4-ene-1,2-dicarboxylate (CAS 548786-21-6)
- Diethyl 2-(2-methylbut-3-yn-2-yl)malonate (CAS 21079-27-6)
- Diethyl 2-(cyclopent-2-en-1-yl)malonate (CAS 53608-93-8)
Recommended Standards
- Tert-butyl 6-(hydroxyimino)-2-azabicyclo[2.2.1]heptane-2-carboxylate (CAS 929972-91-8)
- TUG-1387 (CAS 6319-64-8)
- tert-Butyl 4-cyano-4-hydroxypiperidine-1-carboxylate (CAS 908140-15-8)
- 2-Cyano-pentanedioic acid diethyl ester (CAS 7251-97-0)
- N-(7-Nitrochroman-6-yl)acetamide (CAS 50603-79-7)
- 2-[(1E)-[(1H-1,2,4-Triazol-5-yl)imino]methyl]phenol (CAS 1082704-14-0)
- ethyl 4-amino-1-methyl-1H-pyrazole-5-carboxylate,HCl (CAS 1431965-00-2)
- 3-Bromo-5-(chloromethyl)pyridine (CAS 120277-69-2)
- 5-Phenylcinnoline (CAS 1823836-19-6)
- Tau Peptide (306-317) trifluoroacetate salt (CAS 1003007-59-7)
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