189261-10-7 3JB47N2Q2P Natalizumab Natalizumab [USAN:INN:BAN] Immunoglobulin G4, anti-(human integrin alpha4) (human-mouse monoclonal AN100226 gamma4-chain), disulfide with human-mouse monoclonal AN100226 light chain, dimer Antegren Tysabri Immunoglobulin G 4 (human-mouse monoclonal AN100226 4-chain anti-human integrin 4), disulfide with human-mouse monoclonal AN100226 light chain, dimer UNII-3JB47N2Q2P HSDB 8174 CAS 189261-10-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 189261-10-7 |
| Molecular Formula | C40H55N7O11S |
| Molecular Weight | 841.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 189261-10-7 3JB47N2Q2P Natalizumab Natalizumab [USAN:INN:BAN] Immunoglobulin G4, anti-(human integrin alpha4) (human-mouse monoclonal AN100226 gamma4-chain), disulfide with human-mouse monoclonal AN100226 light chain, dimer Antegren Tysabri Immunoglobulin G 4 (human-mouse monoclonal AN100226 4-chain anti-human integrin 4), disulfide with human-mouse monoclonal AN100226 light chain, dimer UNII-3JB47N2Q2P HSDB 8174 (CAS 189261-10-7) pharmaceutical standards reference standard. Molecular formula: C40H55N7O11S. Molecular weight: 841.97 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C40H55N7O11S |
| Molecular Weight | 841.97 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2011 |
| Nitrogen Atoms | 7 |
| Sulfur Atoms | 1 |
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- Semaglutide Impurity 187 (CAS CATO-C4X-2226187)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com