Semaglutide Impurity 21(HO-Ste-L-γGlu-AEEA-AEEA-OH) CAS 1335440-44-2
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 1335440-44-2 |
| Molecular Formula | C35H63N3O13 |
| Molecular Weight | 733.89 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Semaglutide Impurity 21(HO-Ste-L-γGlu-AEEA-AEEA-OH) (CAS 1335440-44-2) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C35H63N3O13. Molecular weight: 733.89 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C35H63N3O13 |
| Molecular Weight | 733.89 g/mol |
| Purity | >95% |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 3 |
Related Semaglutide Standards
- Semaglutide Impurity 146 (CAS 2645421-68-5)
- Semaglutide impurity 39 (CAS CATO-C4X-222639)
- Semaglutide Impurity 130 (CAS 1188328-40-6)
- Semaglutide impurity 290 (CAS CATO-C4X-2226290)
- Semaglutide impurity 37 (CAS CATO-C4X-222637)
- Semaglutide impurity 269 (CAS CATO-C4X-2226269)
- Semaglutide impurity 277 (CAS CATO-C4X-2226277)
- Semaglutide impurity 31 (CAS CATO-C4X-222631)
Recommended Standards
- Piperacillin Impurity 50 (CAS CATO-C4X-173250)
- HO-Ste-D-γGlu-AEEA-AEEA-OH (CAS CATO-C4X-2226284)
- N-Nitroso Amoxicillin Dimer Impurity 82 (CAS CATO-C4X-114882)
- Ozenoxacin Impurity 86 (CAS CATO-C4X-279686)
- Esomeprazole Impurity 51 (CAS CATO-C4X-111251)
- tert-Butyl (4-bromo-6-methoxypyridin-3-yl)carbamate (CAS 2222856-83-7)
- N-(5-(Ethylthio)-1,3,4-thiadiazol-2-yl)-1-methyl-1H-1,2,3-triazole-4-carboxamide (CAS 1207009-69-5)
- n-(4h-1,2,4-Triazol-3-yl)quinoline-8-carboxamide (CAS 1050813-17-6)
- 2-Fluoro-5-(4-nitrophenyl)benzoic acid (CAS 1352317-91-9)
- (D-His1)-Exenatide trifluoroacetate salt (CAS 1678417-09-8)
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