Diethyl 2-(2-methylbut-3-yn-2-yl)malonate CAS 21079-27-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21079-27-6 |
| Molecular Formula | C12H18O4 |
| Molecular Weight | 226.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Diethyl 2-(2-methylbut-3-yn-2-yl)malonate (CAS 21079-27-6) pharmaceutical standards reference standard. Molecular formula: C12H18O4. Molecular weight: 226.27 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
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.) | 1963 |
Related Diethyl 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-(cyclopent-2-en-1-yl)malonate (CAS 53608-93-8)
- Diethyl 4-methylenecyclopentane-1,2-dicarboxylate (CAS 343956-49-0)
Recommended Standards
- Diallyl Adipate (CAS 2998-04-1)
- Diethyl bicyclo[2.1.1]hexane-1,4-dicarboxylate (CAS 85407-72-3)
- Decahydro-1,4-naphthalenedicarboxylic acid (mixture of isomers) (CAS 879360-14-2)
- 2,6-Dimethyl-1-heptene (CAS 3074-78-0)
- (1s)-1-(4-Methoxy-3-methylphenyl)ethan-1-ol (CAS 1568043-03-7)
- Sodium hexachloroiridium (III) hydrate (CAS 123334-23-6)
- 2-(4-chlorophenoxy)-6-fluorobenzaldehyde (CAS 902836-82-2)
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- Semaglutide impurity 68 (CAS CATO-C4X-222668)
Why CATO?
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