Daclatasvir Impurity 8 CAS CATO-C4X-18488
| CAS No. | CATO-C4X-18488 |
| Molecular Formula | C36H44N6O4 |
| Molecular Weight | 624.77 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Daclatasvir Impurity 8.
As a process- or degradation-related impurity, Daclatasvir Impurity 8 (CAS CATO-C4X-18488, C36H44N6O4) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Structurally, Daclatasvir Impurity 8 (C36H44N6O4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 18.0, corresponding to approximately 18 ring(s) or double-bond equivalent(s). With a molecular weight of 624.77 g/mol, it falls into the high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C36H44N6O4 |
| Molecular Weight | 624.77 g/mol |
| 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 6 |
Related Daclatasvir Standards
- Daclatasvir Impurity 18 (CAS CATO-C4X-184818)
- Daclatasvir Impurity 26 (CAS 2226541-13-3)
- Daclatasvir Impurity 29 (CAS CATO-C4X-184829)
- Daclatasvir Impurity 22 (CAS 1007884-60-7)
- Daclatasvir Impurity 24 (CAS CATO-C4X-184824)
- Daclatasvir Impurity 19 (CAS CATO-C4X-184819)
- Daclatasvir (CAS 1009119-64-5)
- Daclatasvir-D6 (CAS 1801709-41-0)
Recommended Standards
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