Cyanocobalamin /Vitamin B12 Impurity 23 CAS 38218-55-2
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 38218-55-2 |
| Molecular Formula | C63H87CoN13O15P |
| Molecular Weight | 1356.37 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Cyanocobalamin /Vitamin B12 Impurity 23 (CAS 38218-55-2) pharmacopoeial impurity standards reference standard. Molecular formula: C63H87CoN13O15P. Molecular weight: 1356.37 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C63H87CoN13O15P |
| Molecular Weight | 1356.37 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) | 27.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 13 |
Related Cyanocobalamin Standards
- Cyanocobalamin EP Impurity B (CAS 26264-28-8)
- Cyanocobalamin /Vitamin B12 Impurity 22 (CAS 38437-93-3)
- Cyanocobalamin EP Impurity D(Cyanocobalamin-b-monocarboxylic acid; 32-Carboxycyanocobalamin) (CAS 38218-77-8)
- Cyanocobalamin Impurity 31 (CAS 121483-62-3)
- Cyanocobalamin Impurity 24 (CAS CATO-C4X-187424)
- Cyanocobalamin Impurity 25 (CAS CATO-C4X-187425)
- Cyanocobalamin Impurity 26 (CAS CATO-C4X-187426)
- Cyanocobalamin EP Impurity E (8-epi-cyanocobalamin) (CAS 41325-63-7)
Recommended Standards
- Fibronectin Fragment (1377-1388) (H-2572.0001) (CAS 162257-99-0)
- Endo-4a-Ser-Goserelin (CAS CATO-C4X-192050)
- 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)
- Etoposide Impurity 25 (CAS CATO-C4X-202425)
- Rivaroxaban Impurity 158 (CAS CATO-C4X-1090158)
- 3-Aminoimidazo[1,2-a]pyridine-7-carboxylic acid (CAS 1369164-93-1)
- 2-(Benzylamino)-2-cyclopropylethan-1-ol (CAS 776315-65-2)
- 1-(3-Methylphenyl)cyclohexane-1-carboxylic acid (CAS 51275-30-0)
- 2-Bromoethyl-4-nitrophenyl Ether-d4 (CAS 1190017-10-7)
- Peptide 442 (CAS CATO-CPTD788442)
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