Cyanocobalamin EP Impurity E (8-epi-cyanocobalamin) CAS 41325-63-7
Purity >90%In StockPharmacopoeial Impurity Standards
| CAS No. | 41325-63-7 |
| Molecular Formula | C63H88CoN14O14P |
| Molecular Weight | 1355.37 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Cyanocobalamin EP Impurity E (8-epi-cyanocobalamin) (CAS 41325-63-7) pharmacopoeial impurity standards reference standard. Molecular formula: C63H88CoN14O14P. Molecular weight: 1355.37 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C63H88CoN14O14P |
| Molecular Weight | 1355.37 g/mol |
| Purity | >90% |
| 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) | 27.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 14 |
Related Cyanocobalamin Standards
- Cyanocobalamin Impurity 31 (CAS 121483-62-3)
- Cyanocobalamin EP Impurity B (CAS 26264-28-8)
- Cyanocobalamin /Vitamin B12 Impurity 22 (CAS 38437-93-3)
- Cyanocobalamin /Vitamin B12 Impurity 23 (CAS 38218-55-2)
- Cyanocobalamin EP Impurity A (CAS 23208-66-4)
- Cyanocobalamin EP Impurity D(Cyanocobalamin-b-monocarboxylic acid; 32-Carboxycyanocobalamin) (CAS 38218-77-8)
- Cyanocobalamin Impurity 24 (CAS CATO-C4X-187424)
- Cyanocobalamin Impurity 25 (CAS CATO-C4X-187425)
Recommended Standards
- Diethyl 2-(3-oxo-3,4-dihydroquinoxalin-2-yl)hexanedioate (CAS 1501-72-0)
- 115797-06-3 Conotoxin SI Conotoxin GI (reduced), 1-L-isoleucine-9-L-proline-10-L-lysine- alpha-Conotoxin SI (CAS 115797-06-3)
- N-((11bS)-4-((2,6-Bis(3,5-dimethylphenyl)-4-(((trifluoromethyl)sulfonyl)imino)-4l5-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl)imino)-2,6-bis(3,5-dimethylphenyl)-4l5-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl)-1,1,1-trifluoromethanesulfonamide (CAS 2088441-78-3)
- Metoclopramide Impurity 92 (CAS CATO-C4X-141592)
- Acotiamide Impurity 12 (CAS CATO-C4X-111412)
- 2-[4-(2,2,2-Trifluoroethoxy)phenyl]ethylamine (CAS 170015-96-0)
- 3'-Sulfamoylbiphenyl-3-carboxylic acid (CAS 1215206-05-5)
- 6-bromo-4-fluoro-2-methyl-1H-benzimidazole (CAS 1301214-70-9)
- 6-(Methoxyamino)-1,3,5-triazine-2,4-diamine (CAS 89619-91-0)
- Semaglutide Impurity 6 (CAS 62-57-7)
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