Methisosildenafil Impurity 4 CAS 129779-30-2
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 129779-30-2 |
| Molecular Formula | C11H22N2O2 |
| Molecular Weight | 214.30 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Methisosildenafil Impurity 4 (CAS 129779-30-2) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H22N2O2. Molecular weight: 214.30 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H22N2O2 |
| Molecular Weight | 214.30 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 2 |
Related Methisosildenafil Standards
- Methisosildenafil Impurity 3 (CAS 639068-43-2)
- Methisosildenafil Impurity 7 (CAS 6290-24-0)
- Methisosildenafil Impurity 5 (CAS 1873303-87-7)
- Methisosildenafil Impurity 6 (CAS CATO-C4X-22846)
- Methisosildenafil Impurity 11 (CAS 80540-58-5)
- Methisosildenafil (CAS 496835-35-9)
- Methisosildenafil Impurity 8 (CAS CATO-C4X-22848)
- Methisosildenafil Impurity 1 (CAS CATO-C4X-22841)
Recommended Standards
- Cariprazine Impurity 17 (CAS 1698050-40-6)
- Bempedoic Acid Impurity 40 (CAS CATO-C4X-218940)
- Nabumetone Impurity 18 (CAS 701270-26-0)
- Candesartan Impurity 6 (CAS CATO-C4X-15726)
- Resmetirom Impurity 49 (CAS CATO-C4X-291249)
- Ethyl 5-bromo-3-cyano-2-nitrobenzoate (CAS 1805520-68-6)
- Rel-methyl (E)-2-((3S,6'R,7'S,8a'S)-6'-ethyl-2-oxo-2',3',6',7',8',8a'-hexahydro-5'H-spiro[indoline-3,1'-indolizin]-7'-yl)-3-methoxyacrylate (CAS 39032-62-7)
- 3-Bromo-9-(4-fluorophenyl)-9H-carbazole (CAS 922721-30-0)
- Tert-butyl 2-cyclopropyl-4-oxo-1,3,8-triazaspiro[4.5]Dec-2-ene-8-carboxylate (CAS 1779126-43-0)
- Thymopoietin II Peptide Fragment (CAS 56795-64-3)
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