Sodium Cromoglicate Impurity 30 CAS CATO-C4X-201130
| CAS No. | CATO-C4X-201130 |
| Molecular Formula | C20H24FN3O3 |
| Molecular Weight | 373.42 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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.
As a process- or degradation-related impurity, Sodium Cromoglicate Impurity 30 (CAS CATO-C4X-201130, C20H24FN3O3) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Sodium Cromoglicate Impurity 30 (C20H24FN3O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; 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.
Physical & Chemical Properties
| Molecular Formula | C20H24FN3O3 |
| Molecular Weight | 373.42 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Sodium Standards
- Sodium Cromoglicate Impurity 7 (CAS CATO-C4X-20117)
- Sodium Cromoglicate Impurity 24 (CAS CATO-C4X-201124)
- Sodium Cromoglicate Impurity 5 (CAS CATO-C4X-20115)
- Sodium Cromoglicate Impurity 18 (CAS CATO-C4X-201118)
- Sodium Cromoglicate Impurity 27 (CAS CATO-C4X-201127)
- Sodium Cromoglicate Impurity 25 (CAS 40786-63-8)
- Sodium Cromoglicate Impurity 14 (CAS CATO-C4X-201114)
- Sodium Cromoglicate Impurity 19 (CAS CATO-C4X-201119)
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