Riociguat Impurity 26 CAS 304874-06-4
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 304874-06-4 |
| Molecular Formula | C15H13FN4O |
| Molecular Weight | 284.29 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Riociguat Impurity 26 (CAS 304874-06-4), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C15H13FN4O. Molecular weight: 284.29 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C15H13FN4O |
| Molecular Weight | 284.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
Related Riociguat Standards
- Riociguat Impurity 24 (CAS 93866-45-6)
- Riociguat Impurity 24 (CAS 256376-62-2)
- Riociguat Impurity N49 (CAS 256376-59-7)
- Riociguat Impurity N10 (CAS 2101651-50-5)
- Riociguat Impurity N3 (CAS 2512205-25-1)
- Riociguat Impurity 8 (CAS 256376-65-5)
- Riociguat Impurity 13 (CAS CATO-C4X-174913)
- Riociguat Impurity 31 (CAS CATO-C4X-174931)
Recommended Standards
- Tryptophan Impurity 51 (CAS CATO-C4X-137351)
- S-(4-Nitrophenyl)mercapturic Acid (CAS 91088-55-0)
- Tryptophan Impurity 45 (CAS 2306500-72-9)
- Canagliflozin Impurity 19 (CAS 2110533-80-5)
- Ibuprofen impurity 132 (CAS 3585-48-6)
- 2-Fluoro-3,5-dinitrobenzoic acid (CAS 445-65-8)
- (6-(5-Methyl-1,3,4-oxadiazol-2-yl)pyridin-3-yl)boronic acid (CAS 883231-15-0)
- Ethanaminium, N,N-bis(2-hydroxyethyl)-N-methyl-2-[(1-oxooctadecyl)oxy]-, methyl sulfate (CAS 28706-44-7)
- 2-Chloro-1-((2-fluorobenzyl)oxy)-4-(trifluoromethyl)benzene (CAS 1443322-26-6)
- D-Trp25-Tirzepatide (CAS CATO-CPTD788909)
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