Cabotegravir Impurity 2 CAS CATO-C4X-28762
| CAS No. | CATO-C4X-28762 |
| Molecular Formula | C21H15F6N |
| Molecular Weight | 395.34 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Cabotegravir Impurity 2 is closely related to a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Cabotegravir Impurity 2 (CAS CATO-C4X-28762) is a certified pharmaceutical impurity reference standard with the molecular formula C21H15F6N and a molecular weight of 395.34 g/mol.
Cabotegravir Impurity 2 (C21H15F6N) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, fluorine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; 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.
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 | C21H15F6N |
| Molecular Weight | 395.34 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Cabotegravir Standards
- Cabotegravir Impurity 24 (CAS CATO-C4X-287624)
- Cabotegravir (CAS 1051375-10-0)
- Cabotegravir Impurity 11 (CAS 1646862-08-9)
- Cabotegravir Impurity 13 (CAS CATO-C4X-287613)
- Cabotegravir Impurity 16 (CAS 2883234-39-5)
- Cabotegravir Impurity 9 (CAS CATO-C4X-28769)
- Cabotegravir Impurity 10 (CAS CATO-C4X-287610)
- Cabotegravir Impurity 12 (CAS CATO-C4X-287612)
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