Dapoxetine Impurity 66 CAS 864529-90-8
| CAS No. | 864529-90-8 |
| Molecular Formula | C27H26NO2P |
| Molecular Weight | 427.47 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C27H26NO2P, Dapoxetine Impurity 66 contains a steroid core, an amide group, organophosphorus functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 427.47 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO supplies Dapoxetine Impurity 66 (CAS 864529-90-8), a pharmacopoeial impurity reference standard (molecular formula C27H26NO2P, MW 427.47 g/mol) used for the identification and quantification of trace impurities in APIs.
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C27H26NO2P |
| Molecular Weight | 427.47 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at room temperature, 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) | 15.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Related Dapoxetine Standards
- Dapoxetine Impurity 79 (CAS CATO-C4X-143979)
- Dapoxetine Impurity 54 (CAS CATO-C4X-143954)
- Dapoxetine Impurity 76 (CAS CATO-C4X-143976)
- Dapoxetine Impurity 81 (CAS 2415108-74-4)
- Dapoxetine Impurity 91 (CAS CATO-C4X-143991)
- Dapoxetine Impurity 55 (CAS 2242008-36-0)
- Dapoxetine Impurity 85 (CAS 2245197-11-7)
- Dapoxetine Impurity 68 (CAS 2716202-38-7)
Recommended Standards
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