Baloxavir Impurity 38 CAS CATO-C4X-210838
| CAS No. | CATO-C4X-210838 |
| Molecular Formula | C24H19F2N3O4S |
| Molecular Weight | 483.49 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Baloxavir Impurity 38 is closely related to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
As a process- or degradation-related impurity, Baloxavir Impurity 38 (CAS CATO-C4X-210838, C24H19F2N3O4S) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Based on its molecular formula C24H19F2N3O4S, Baloxavir Impurity 38 contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 483.49 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 | C24H19F2N3O4S |
| Molecular Weight | 483.49 g/mol |
| Purity | ≥95% |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Baloxavir Standards
Recommended Standards
- 2-Hydroxy-4-{2-[5-oxo-3-phenyl-1-(4-phenyl-1,3-thiazol-2-yl)-1,5-dihydro-4H-pyrazol-4-ylidene]hydrazino}benzoic acid (CAS 314761-11-0)
- 4-(tert-Butyl)-N-(4-(tert-butyl)phenyl)-N-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)aniline (CAS 935480-19-6)
- 3-(Benzenesulfonyl)-4-methyl-6-phenyl-1-{[3-(trifluoromethyl)phenyl]methyl}-1,2-dihydropyridin-2-one (CAS 321431-33-8)
- [5-(2-Benzothiazolylcarbonyl)-2,3,4-trihydroxyphenyl](4-phenoxyphenyl)methanone (CAS 877878-47-2)
- Amifostine Impurity 7 (CAS 4461-39-6)
- Nifekalant impurity 1 (CAS CATO-C4X-27971)
- Abiraterone Impurity 44 (CAS CATO-C4X-107044)
- 2-Amino-1-(2,3-dichlorophenyl)ethan-1-one (CAS 771571-90-5)
- Polydatin (CAS 27208-80-6)
- Hypocrellin D (CAS 908860-76-4)
- Nicardipine Impurity N5 (CAS 206976-29-6)
- 2-(3-Chloro-4-iodophenyl)-3-methylpyrazine (CAS 1956328-05-4)
- Ethyl 5-(2,4,5-trimethylphenyl)-5-oxovalerate (CAS 951889-46-6)
- D-[γ-Glu](Side Chain)-Semaglutide (CAS CATO-C4X-2226254)
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