Vonoprazan Impurity 113 CAS 1956309-28-6
| CAS No. | 1956309-28-6 |
| Molecular Formula | C11H9FN2O |
| Molecular Weight | 204.20 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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.
Vonoprazan Impurity 113 (CAS 1956309-28-6) is a certified pharmaceutical impurity reference standard with the molecular formula C11H9FN2O and a molecular weight of 204.20 g/mol.
Based on its molecular formula C11H9FN2O, Vonoprazan Impurity 113 contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 204.20 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | C11H9FN2O |
| Molecular Weight | 204.20 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
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- (R)-1-(4-bromo-3-chlorophenyl)but-3-en-1-amine (CAS 1270145-40-8)
- 5-(6-Oxo-3H-purin-9(6H)-yl)pentanoic acid (CAS 34397-01-8)
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