Fesoterodine Impurity 21 CAS 1391913-28-2
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1391913-28-2 |
| Molecular Formula | C26H35NO4 |
| Molecular Weight | 425.56 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Fesoterodine Impurity 21 (CAS 1391913-28-2) pharmacopoeial impurity standards reference standard. Molecular formula: C26H35NO4. Molecular weight: 425.56 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C26H35NO4 |
| Molecular Weight | 425.56 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 1 |
Related Fesoterodine Standards
- Fesoterodine Impurity 14 (CAS 1262778-55-1)
- Fesoterodine Impurity 10 (CAS CATO-C4X-164410)
- Fesoterodine Impurity 9 (CAS CATO-C4X-16449)
- (S)-Fesoterodine Hydrochloride (CAS 1294517-14-8)
- Fesoterodine Impurity 7 (CAS 1428856-47-6)
- Fesoterodine Impurity 1 (CAS 250214-44-9)
- Fesoterodine Impurity 2 (CAS 1431511-18-0)
- Fesoterodine Impurity 5 (CAS 1208313-12-5)
Recommended Standards
- Pimavanserin Impurity 10 (CAS CATO-C4X-193810)
- Rosuvastatin Impurity 88 (CAS CATO-C4X-116988)
- Semaglutide Impurity 123 (CAS 71997-93-8)
- Ataluren Impurity 12 (CAS CATO-C4X-300612)
- Tucatinib Impurity 52 (CAS CATO-C4X-260552)
- Methyl 3-bromo-1H-indole-4-carboxylate (CAS 1093759-60-4)
- (2R,4R)-1-(tert-Butoxycarbonyl)-4-phenoxypyrrolidine-2-carboxylic acid (CAS 158459-12-2)
- 2-((1-(3,4-Dimethylphenyl)ethyl)amino)ethan-1-ol (CAS 1038340-22-5)
- 1-{6-chloroimidazo[2,1-b][1,3]thiazol-5-yl}ethan-1-one (CAS 1257078-94-6)
- Des-Lys16-Tirzepatide (CAS CATO-CPTD788957)
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