Fesoterodine Impurity 24 CAS 1055330-27-2
| CAS No. | 1055330-27-2 |
| Molecular Formula | C15H15NO6S |
| Molecular Weight | 337.35 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, Fesoterodine Impurity 24 is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 337.35 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a process- or degradation-related impurity, Fesoterodine Impurity 24 (CAS 1055330-27-2, C15H15NO6S) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
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.
As a certified reference material (CRM), Fesoterodine Impurity 24 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C15H15NO6S |
| Molecular Weight | 337.35 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Fesoterodine Standards
- Fesoterodine Aldehyde of Diol (CAS 214601-12-4)
- Fesoterodine Impurity A (CAS 200801-70-3)
- Fesoterodine Diol (R)-Isomer (CAS 207679-81-0)
- Fesoterodine Impurity 8 (CAS CATO-C4X-16448)
- Fesoterodine Impurity O (CAS 250214-69-8)
- Fesoterodine Impurity 26 (CAS CATO-C4X-164426)
- Fesoterodine Impurity 17 (CAS CATO-C4X-164417)
- Fesoterodine Impurity 22 (CAS CATO-C4X-164422)
Recommended Standards
- Linezolid R-Isomer (CAS 872992-20-6)
- Iguratimod Impurity 51 (CAS CATO-C4X-182651)
- Racemic Linezolid (CAS 224323-50-6)
- Linezolid (CAS 165800-03-3)
- Lacosamide Impurity 18 (CAS CATO-C4X-183018)
- Pazopanib Impurity 24 (CAS 444731-74-2)
- Firocoxib Impurity 4 (CAS 246869-15-8)
- 4-(Methylsulfonyl)benzimidamide (CAS 17574-50-4)
- (3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-Heptadeca-fluorodecyl)triisopropoxysilane (CAS 246234-80-0)
- 1-Isopropyl-2,4,6-triphenylpyridin-1-ium iodide (CAS 71777-84-9)
- 2-Bromo-3-(methoxycarbonyl)benzoic acid (CAS 957227-92-8)
- 6-Bromo-2-(3-nitrophenyl)imidazo[1,2-a]pyrimidine (CAS 944581-06-0)
- 4-(2-Ethoxy-2-oxoethyl)benzoic acid (CAS 57269-65-5)
- Uremic Pentapeptide (CAS 71494-20-7)
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