Riociguat Impurity 20 CAS 428854-24-4
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 428854-24-4 |
| Molecular Formula | C17H15FN8 |
| Molecular Weight | 350.35 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Riociguat Impurity 20 (CAS 428854-24-4) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C17H15FN8. Molecular weight: 350.35 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C17H15FN8 |
| Molecular Weight | 350.35 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 8 |
Related Riociguat Standards
- Riociguat Impurity 31 (CAS CATO-C4X-174931)
- Riociguat Impurity 1 (CAS 1702271-98-4)
- Riociguat Impurity 2 (CAS 1361569-10-9)
- Riociguat Impurity 16 (CAS 1361569-18-7)
- Riociguat impurity 27 (CAS CATO-C4X-174927)
- Riociguat Impurity N49 (CAS 256376-59-7)
- Riociguat Impurity 18 (CAS 1361569-23-4)
- Riociguat EP Impurity B (CAS 3052969-92-0)
Recommended Standards
- Sulfometuron (CAS 74223-56-6)
- Sivelestat sodium Impurity 3 (CAS 155023-59-9)
- N-(4-Nitrophenylsulfonyl)-L-phenylalanine (CAS 64501-87-7)
- Omeprazole Impurity 91 (CAS 317807-10-6)
- Bazedoxifene Acetate Impurity 7 (CAS 198480-21-6)
- 3-(Chloromethyl)-4-ethyl-5-methyl-4H-1,2,4-triazole Hydrochloride (CAS 1394041-77-0)
- 2,5-Dihydroxycinnamic Acid phenethyl ester (CAS 179691-97-5)
- Ethyl 5-(5-bromothiophen-2-yl)-5-oxopentanoate (CAS 229008-02-0)
- 2-(Hydroxymethyl)-1-propylbutyl 2-Methylpropanoate (CAS 74367-32-1)
- D-Pro37-Tirzepatide (CAS CATO-CPTD788902)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com