Exemestane-d3 CAS 107868-30-4 (unlabelled)
| CAS No. | 107868-30-4 (unlabelled) |
| Molecular Formula | - |
| Molecular Weight | 299.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Exemestane-d3 (CAS 107868-30-4 (unlabelled)) is a high-purity analytical reference standard with the molecular formula C20H21D3O2 and a molecular weight of 299.42 g/mol.
Based on its molecular formula C20H21D3O2, Exemestane-d3 contains deuterium isotope labeling, a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 299.42 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), Exemestane-d3 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 | C20H21D3O2 |
| Molecular Weight | 299.42 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
Related Exemestane Standards
- Exemestane Impurity 17 (CAS 10104-53-7)
- Exemestane-13C,D3 (CAS CATO-C4X-164116)
- Exemestane EP Impurity E (CAS 19457-55-7)
- Exemestane EP Impurity H (CAS 122370-91-6)
- Exemestane Impurity 36 (CAS CATO-C4X-164136)
- Exemestane EP Impurity F (CAS 72648-46-5)
- Exemestane Impurity 31 (CAS 26991-58-2)
- Exemestane (CAS 107868-30-4)
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Why CATO?
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