Abemaciclib Impurity 63 CAS CATO-C4X-293763
| CAS No. | CATO-C4X-293763 |
| Molecular Formula | C18H29N5O |
| Molecular Weight | 331.46 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Abemaciclib Impurity 63 (C18H29N5O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies Abemaciclib Impurity 63 (CAS CATO-C4X-293763), a pharmacopoeial impurity reference standard (molecular formula C18H29N5O, MW 331.46 g/mol) used for the identification and quantification of trace impurities in APIs.
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 Abemaciclib Impurity 63 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 | C18H29N5O |
| Molecular Weight | 331.46 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 5 |
Related Abemaciclib Standards
- Abemaciclib Impurity 123 (CAS CATO-C4X-2937123)
- Abemaciclib Impurity N1 (CAS 2177297-46-8)
- Abemaciclib Impurity 154 (CAS CATO-C4X-2937154)
- Abemaciclib Impurity 77 (CAS CATO-C4X-293777)
- Abemaciclib Impurity 79 (CAS CATO-C4X-293779)
- Abemaciclib Impurity N3 (CAS 1231930-42-9)
- Abemaciclib Impurity 4 (CAS CATO-C4X-29374)
- Abemaciclib Impurity 89 (CAS CATO-C4X-293789)
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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