Diethyl 2,2-tricyclo[3.3.1.1~3,7~]decane-1,3-diyldiacetate CAS 81657-07-0
| CAS No. | 81657-07-0 |
| Molecular Formula | C18H28O4 |
| Molecular Weight | 308.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Diethyl 2,2-tricyclo[3.3.1.1~3,7~]decane-1,3-diyldiacetate (CAS 81657-07-0) is a high-purity analytical reference standard with the molecular formula C18H28O4 and a molecular weight of 308.41 g/mol.
Based on its molecular formula C18H28O4, Diethyl 2,2-tricyclo[3.3.1.1~3,7~]decane-1,3-diyldiacetate contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 308.41 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Diethyl 2,2-tricyclo[3.3.1.1~3,7~]decane-1,3-diyldiacetate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C18H28O4 |
| Molecular Weight | 308.41 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
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