Abemaciclib Impurity 51 CAS CATO-C4X-293751
| CAS No. | CATO-C4X-293751 |
| Molecular Formula | C23H36B2N2O4 |
| Molecular Weight | 426.16 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C23H36B2N2O4, Abemaciclib Impurity 51 contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 426.16 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Abemaciclib Impurity 51 (CAS CATO-C4X-293751) is a certified pharmaceutical impurity reference standard with the molecular formula C23H36B2N2O4 and a molecular weight of 426.16 g/mol.
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
CATO manufactures Abemaciclib Impurity 51 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 | C23H36B2N2O4 |
| Molecular Weight | 426.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 2 |
Related Abemaciclib Standards
- Abemaciclib Impurity 75 (CAS CATO-C4X-293775)
- Abemaciclib Impurity 9 (CAS CATO-C4X-29379)
- Abemaciclib Impurity 34 (CAS CATO-C4X-293734)
- Abemaciclib Impurity 10 (CAS CATO-C4X-293710)
- Abemaciclib Impurity 188 (CAS CATO-C4X-2937188)
- Abemaciclib Impurity 189 (CAS CATO-C4X-2937189)
- Abemaciclib Impurity 41 (CAS CATO-C4X-293741)
- Abemaciclib Impurity 145 (CAS CATO-C4X-2937145)
Recommended Standards
- 5-Iodo-2-(3-methyl-4-nitrobenzamido)benzoic acid (CAS 294892-53-8)
- Ethyl 2-(diethoxyphosphoryl)-2-(4-iodophenyl)acetate (CAS 152302-87-9)
- 2,2'-(5-Hydroxy-1,3-phenylene)bis(1,1,1,3,3,3-hexafluoropropan-2-ol) (CAS 669768-28-9)
- 6-Methoxy-2-(tributylstannyl)nicotinaldehyde (CAS 2265921-90-0)
- Ledipasvir Impurity 42 (CAS CATO-C4X-331342)
- Celecoxib Impurity 66 (CAS CATO-C4X-104366)
- Rotigotine Impurity 39 (CAS 1268620-73-0)
- 2-Methyl-1-(1,4-oxazepan-4-yl)propan-2-amine (CAS 1339102-21-4)
- (R)-3-((((9h-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(m-tolyl)propanoic acid (CAS 507472-28-8)
- 4-(Boc-amino)-2-chloro-3-pyridinecarbaldehyde (CAS 893423-62-6)
- 2-Bromo-1-(2-methoxy-4-methylphenyl)ethan-1-one (CAS 145964-98-3)
- 4-(Hydroxymethyl)-1-phenylpyrazolidin-3-one (CAS 30346-45-3)
- 7,7-Difluoro-1-methyl-3-azabicyclo[4.1.0]heptane hydrochloride (CAS 1895748-50-1)
- [3,5 Diiodo-Tyr7] Peptide T (CAS 128551-40-6)
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