Ethyl (2E,4S)-4,5-Isopropylidenedioxy-2-methylpent-2-enoate CAS 81997-76-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 81997-76-4 |
| Molecular Formula | C11H18O4 |
| Molecular Weight | 214.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order Ethyl (2E,4S)-4,5-Isopropylidenedioxy-2-methylpent-2-enoate (CAS 81997-76-4) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C11H18O4. Molecular weight: 214.26 g/mol. COA included with every batch.
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.) | 1980 |
Recommended Standards
- DL-alpha-Methylpalmitic acid methyl ester (CAS 2490-53-1)
- Ethyl (3Z)-3-hydroxy-7-methyl-5-oxooct-3-enoate (CAS 866156-17-4)
- Dipropyl cyclopropane-1,1-dicarboxylate (CAS 213539-71-0)
- 2-(trifluoromethyl)morpholine (CAS 1196532-95-2)
- 2,4-Dibromo-3,5-dichlorofluorobenzene (CAS 1160574-34-4)
- Methyl 3-(3-acetylphenyl)-5-fluorobenzoate (CAS 1820711-23-6)
- n-(3-Chloro-4-fluorobenzyl)-2-ethoxyethan-1-amine (CAS 1341755-02-9)
- 3-(2-Chloroethyl)-4,5-dimethylisoxazole (CAS 371932-99-9)
- 5-Phenyloxepan-2-one (CAS 134339-50-7)
- Peptide Impurity 82 (CAS 10491-78-8)
Why CATO?
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