Ulipristal Impurity 3 CAS 159681-66-0
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 159681-66-0 |
| Molecular Formula | C29H35NO4 |
| Molecular Weight | 461.59 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Ulipristal Impurity 3 (CAS 159681-66-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C29H35NO4. Molecular weight: 461.59 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C29H35NO4 |
| Molecular Weight | 461.59 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
| Nitrogen Atoms | 1 |
Related Ulipristal Standards
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Recommended Standards
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- 1-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperazine (CAS 912369-50-7)
- (S)-6-(3-Methylpiperazin-1-yl)nicotinonitrile (CAS 1057682-03-7)
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