1,3-Diethyl 2-cyclopentylpropanedioate CAS 18928-91-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 18928-91-1 |
| Molecular Formula | C12H20O4 |
| Molecular Weight | 228.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,3-Diethyl 2-cyclopentylpropanedioate (CAS 18928-91-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H20O4. Molecular weight: 228.28 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H20O4 |
| Molecular Weight | 228.28 g/mol |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1962 |
Related Diethyl Standards
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- Diethyl 2-(pent-4-en-1-yl)malonate (CAS 1906-96-3)
- Diethyl (1r,4r)-cyclohexane-1,4-dicarboxylate (CAS 19145-96-1)
- 1,1-Diethyl 3,3-dimethylcyclobutane-1,1-dicarboxylate (CAS 854451-17-5)
- 1,3-Diethyl 2-(3-methylbut-2-en-1-yl)propanedioate (CAS 22539-80-6)
- 1,3-Diethyl cyclohexane-1,3-dicarboxylate (CAS 72903-26-5)
- cis-Diethyl cyclohexane-1,3-dicarboxylate (CAS 62059-56-7)
Recommended Standards
- Di-tert-butyl Maleate (CAS 18305-60-7)
- Ethyl 7-methyl-1,4-dioxaspiro[4.5]Decane-8-carboxylate (CAS 1823453-98-0)
- 1-[(tert-butoxy)carbonyl]cyclohexane-1-carboxylic acid (CAS 1909348-62-4)
- Temephos-sulfoxide (CAS 17210-55-8)
- 2-Aminopyrimidine-4-carboxamide (CAS 1823879-58-8)
- 5-Amino-3-propylbenzo[d]oxazol-2(3h)-one (CAS 1018630-30-2)
- 3-(2,4-Dichlorobenzyl)pyrrolidine (CAS 1268011-58-0)
- 7-(Difluoromethyl)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 1694312-73-6)
- n-((1,5-Dimethyl-1h-pyrazol-4-yl)methyl)hexan-1-amine (CAS 1516992-39-4)
- Semaglutide impurity 106 (CAS CATO-C4X-2226106)
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