Fluoxetine Impurity 26 CAS 103756-12-3
| CAS No. | 103756-12-3 |
| Molecular Formula | C19H21NO2 |
| Molecular Weight | 295.38 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Fluoxetine Impurity 26.
Fluoxetine Impurity 26 (CAS 103756-12-3) is a certified pharmaceutical impurity reference standard with the molecular formula C19H21NO2 and a molecular weight of 295.38 g/mol.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, Fluoxetine Impurity 26 is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 295.38 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.
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
CATO manufactures Fluoxetine Impurity 26 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C19H21NO2 |
| Molecular Weight | 295.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 1 |
Related Fluoxetine Standards
- Fluoxetine Impurity 31 (CAS 5409-66-5)
- Fluoxetine Impurity 24 (CAS CATO-C4X-135224)
- Fluoxetine Impurity 20 (CAS CATO-C4X-135220)
- Fluoxetine Impurity 11 (CAS 56161-71-8)
- Fluoxetine Impurity 12 (CAS CATO-C4X-135212)
- Fluoxetine Impurity 51 (CAS 56161-72-9)
- Fluoxetine (CAS 54910-89-3)
- Fluoxetine-D5 (CAS 1173147-79-9)
Recommended Standards
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- 1-(5-Chloro-3-fluoropyridin-2-yl)-4-methylpiperazine (CAS 1501193-12-9)
- 2-Methyl-5,8-bis(trifluoromethyl)quinoxaline (CAS 1351516-09-0)
- a-Bag Cell Peptide (1-8) (CAS 87549-53-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com