Finasteride Impurity 19 CAS 166896-74-8
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 166896-74-8 |
| Molecular Formula | C23H36N2O2 |
| Molecular Weight | 372.54 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Finasteride Impurity 19 (CAS 166896-74-8) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C23H36N2O2. Molecular weight: 372.54 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C23H36N2O2 |
| Molecular Weight | 372.54 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2004 |
| Nitrogen Atoms | 2 |
Related Finasteride Standards
- Finasteride (CAS 98319-26-7)
- Finasteride Impurity 11 (CAS CATO-C4X-164511)
- Finasteride Impurity 15 (CAS 140375-21-9)
- 5-Beta-Finasteride (CAS 140375-22-0)
- Finasteride Impurity 55 (CAS CATO-C4X-164555)
- Finasteride Impurity 13 (CAS CATO-C4X-164513)
- Finasteride Impurity 18 (CAS 131267-80-6)
- Finasteride Impurity 27 (CAS 1329611-51-9)
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