Ulipristal Impurity 1 CAS 159681-67-1
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 159681-67-1 |
| Molecular Formula | C27H33NO3 |
| Molecular Weight | 419.56 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Ulipristal Impurity 1 (CAS 159681-67-1) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C27H33NO3. Molecular weight: 419.56 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C27H33NO3 |
| Molecular Weight | 419.56 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
| Nitrogen Atoms | 1 |
Related Ulipristal Standards
- Ulipristal Impurity 13 (CAS CATO-C4X-191513)
- Ulipristal Impurity 16 (CAS 159811-51-5)
- Ulipristal Impurity 4 (CAS 244206-52-8)
- Ulipristal Impurity 27 (CAS 1655514-79-6)
- Ulipristal Impurity 31 (CAS 54201-84-2)
- Ulipristal D3 (CAS CATO-C4X-191535)
- Ulipristal Impurity 9 (CAS CATO-C4X-19159)
- Ulipristal Impurity 19 (CAS CATO-C4X-191519)
Recommended Standards
- Terbutaline impurity 104 (CAS CATO-C4X-1183104)
- N1-(Pyridin-4-ylmethyl)-N2,N2-bis(2-((pyridin-4-ylmethyl)amino)ethyl)ethane-1,2-diamine (CAS 1370518-24-3)
- Salbutamol impurity 90 (CAS 35459-09-7)
- Montelukast Impurity N3 (CAS 880769-28-8)
- Azilsartan Impurity 63 (CAS 985638-55-8)
- 4-Nitro-N-(4-(4-pentylcyclohexyl)phenyl)benzamide (CAS 477890-27-0)
- Methyl 4-chloro-5-methoxy-2-nitrobenzoate (CAS 1823517-66-3)
- N-(But-3-enyloxy)benzamide (CAS 114778-53-9)
- 3-(Methoxymethyl)-1-benzothiophene-2-carboxylic acid (CAS 1094424-69-7)
- Des-Pro36-37-Tirzepatide (CAS CATO-CPTD788938)
Why CATO?
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