Prasugrel EP Impurity B CAS 1391194-39-0
| CAS No. | 1391194-39-0 |
| Molecular Formula | C20H20FNO3S |
| Molecular Weight | 373.44 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Prasugrel EP Impurity B.
As a process- or degradation-related impurity, Prasugrel EP Impurity B (CAS 1391194-39-0, C20H20FNO3S) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Based on its molecular formula C20H20FNO3S, Prasugrel EP Impurity B contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 373.44 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
As a certified reference material (CRM), Prasugrel EP Impurity B 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 | C20H20FNO3S |
| Molecular Weight | 373.44 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Prasugrel Standards
- Prasugrel (CAS 150322-43-3)
- Prasugrel EP Impurity C (CAS 1391194-50-5)
- Prasugrel D4 (CAS 1189919-49-0)
- Prasugrel Impurity 21 (CAS 1618107-95-1)
- Prasugrel Impurity 17 (CAS 109904-25-8)
- Prasugrel Metabolite M5 (R106583) (CAS 916599-27-4)
- Prasugrel EP Impurity A (CAS 1391194-45-8)
- Prasugrel Impurity 36 (CAS 866761-69-5)
Recommended Standards
- 587880-27-1 6138AE Benzyl 4-(4-(2,3-dihydroxypropoxy)-phenyl)butylcarbamate C21H27NO5 (CAS 587880-27-1)
- Ezetimibe Impurity 124 (CAS 1251741-03-3)
- tert-butyl (2R,4S)-4-methylsulfonyloxy-2-(methylsulfonyloxymethyl)pyrrolidine-1-carboxylate (CAS 326596-46-7)
- Mivacurium chloride Impurity 24 (CAS 188956-91-4)
- Fluticasone Impurity 56 (CAS CATO-C4X-165056)
- Epirubicin EP Impurity C (CAS CATO-C4X-11163)
- Trazodone impurity 77 (CAS 1799917-53-5)
- trans-1-methanesulfonyl-4-methoxypyrrolidine-2-carboxylic acid (CAS 1820570-90-8)
- 5-Cyclopropyl-4-methylpyridin-2-amine (CAS 1263061-20-6)
- Flucycloxuron (CAS 113036-88-7)
- (4,4-difluorotetrahydrofuran-2-yl)methanol (CAS 2288623-47-0)
- 7-tert-Butyl 2-methyl 4-oxo-4,5,6,8-tetrahydropyrido[3,4-d]pyrimidine-2,7(1H)-dicarboxylate (CAS 2561484-71-5)
- 2-(2-(4-Chlorophenyl)-2-oxoethyl)-3-methylnaphthalene-1,4-dione (CAS 329234-64-2)
- Semaglutide impurity 34 (CAS CATO-C4X-222634)
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