Fesoterodine Impurity N14 CAS 895137-81-2
| CAS No. | 895137-81-2 |
| Molecular Formula | C26H37NO2 |
| Molecular Weight | 395.58 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Fesoterodine Impurity N14 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.
CATO supplies Fesoterodine Impurity N14 (CAS 895137-81-2), a pharmacopoeial impurity reference standard (molecular formula C26H37NO2, MW 395.58 g/mol) used for the identification and quantification of trace impurities in APIs.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, Fesoterodine Impurity N14 is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 395.58 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 | C26H37NO2 |
| Molecular Weight | 395.58 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 1987 |
| Nitrogen Atoms | 1 |
Related Fesoterodine Standards
- Fesoterodine Impurity A Hydrochloride (CAS 250214-40-5)
- Fesoterodine Impurity 7 (CAS CATO-C4X-16447)
- Fesoterodine Impurity 11 (CAS CATO-C4X-164411)
- Fesoterodine Impurity 12 (CAS 1435768-96-9)
- Fesoterodine Impurity 13 (CAS 1333234-71-1)
- (S)-Fesoterodine Hydrochloride (CAS 1294517-14-8)
- Fesoterodine Impurity 1 (CAS 250214-44-9)
- Fesoterodine Impurity 2 (CAS 1431511-18-0)
Recommended Standards
- 3-Bromo-2-methyl-5-(pentafluoro-lambda6-sulfanyl)benzenesulfonyl chloride (CAS 1706431-07-3)
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- N-((Benzyl(methyl)(phenyl)silyl)methyl)-4-methylbenzenesulfonamide (CAS 2779684-47-6)
- AM 404 (CAS 183718-77-6)
- Gadobutrol impurity 163 (CAS 1360544-74-6)
- Dapoxetine Impurity 31 (CAS 22422-21-5)
- Tramadol Impurity N1 Hydrochloride (CAS 2914-78-5)
- BTO26-2ThBr (CAS 1574242-52-6)
- 1-(4-Bromo-3-methylphenyl)-2,5-dimethyl-1H-pyrrole-3-carbaldehyde (CAS 347331-84-4)
- 2-(Benzo[d][1,3]dioxol-5-ylmethyl)succinic acid (CAS 57420-27-6)
- 2,2,2-Trifluoro-1-(3-nitro-5-(trifluoromethyl)phenyl)ethan-1-one (CAS 76911-72-3)
- 4-(2,6-Dichlorophenyl)azetidin-2-one (CAS 90273-41-9)
- tert-Butyl (2-(oxiran-2-yl)ethyl)carbamate (CAS 1072793-83-9)
- ([D2]Gly4)-Cholecystokinin Octapeptide (sulfated) ammonium salt (CAS 1926163-74-7)
Why CATO?
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