Cyanocobalamin /Vitamin B12 Impurity 23 CAS 38218-55-2
| 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
Cyanocobalamin /Vitamin B12 Impurity 23 (CAS 38218-55-2) is a certified pharmaceutical impurity reference standard with the molecular formula C63H87CoN13O15P and a molecular weight of 1356.37 g/mol.
Structurally, Cyanocobalamin /Vitamin B12 Impurity 23 (C63H87CoN13O15P) contains a nitrogen-containing heterocyclic scaffold, an amide group, a phosphate ester group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 27.0, corresponding to approximately 27 ring(s) or double-bond equivalent(s). With a molecular weight of 1356.37 g/mol, it falls into the high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
CATO manufactures Cyanocobalamin /Vitamin B12 Impurity 23 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
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
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- Diethyl 2-(3-oxo-3,4-dihydroquinoxalin-2-yl)hexanedioate (CAS 1501-72-0)
- Etoposide Impurity 25 (CAS CATO-C4X-202425)
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- Cefdinir Impurity 37 (CAS CATO-C4X-121037)
- 3-Aminoimidazo[1,2-a]pyridine-7-carboxylic acid (CAS 1369164-93-1)
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- 2-Bromoethyl-4-nitrophenyl Ether-d4 (CAS 1190017-10-7)
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- 2,3-Dimethyl-4H-benzo[4,5]imidazo[1,2-b]pyrazole (CAS 130436-65-6)
- Peptide 442 (CAS CATO-CPTD788442)
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 18665070610 / Nicole.chen@cato-chem.com