Levetiracetam Impurity 20 CAS 1867585-44-1
| CAS No. | 1867585-44-1 |
| Molecular Formula | C8H17N3O2 |
| Molecular Weight | 187.24 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Levetiracetam Impurity 20 (C8H17N3O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 187.24 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a process- or degradation-related impurity, Levetiracetam Impurity 20 (CAS 1867585-44-1, C8H17N3O2) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
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 Levetiracetam Impurity 20 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 | C8H17N3O2 |
| Molecular Weight | 187.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 3 |
Related Levetiracetam Standards
- Levetiracetam Impurity 37 (CAS 1847568-87-9)
- Levetiracetam Impurity 48 (CAS 24032-51-7)
- Levetiracetam impurity 9 (CAS 1868118-63-1)
- Levetiracetam Impurity 47 (CAS CATO-C4X-106747)
- Levetiracetam Impurity 5 (CAS 358629-51-3)
- Levetiracetam-d6 (CAS 1133229-30-7)
- Levetiracetam Impurity 24 (CAS 79194-54-0)
- Levetiracetam-d3 (CAS 1217851-16-5)
Recommended Standards
- Tert-Butyl Cyclobutoxycarbamate (CAS CATO-C3D-262617)
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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