Paroxetine Impurity 44 CAS 317323-77-6
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 317323-77-6 |
| Molecular Formula | C20H24FNO3S |
| Molecular Weight | 377.47 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Paroxetine Impurity 44 (CAS 317323-77-6), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C20H24FNO3S. Molecular weight: 377.47 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C20H24FNO3S |
| Molecular Weight | 377.47 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Paroxetine Standards
- Paroxetine Impurity 61 (CAS CATO-C4X-103561)
- Paroxetine Impurity 40 (CAS CATO-C4X-103540)
- Paroxetine Impurity 64 (CAS 2361294-43-9)
- Paroxetine Hydrochloride Hemihydrate - Impurity C (Freebase) (CAS 1395408-54-4)
- Paroxetine Impurity 69 (CAS CATO-C4X-103569)
- Paroxetine Impurity 47 (CAS 105813-40-9)
- Paroxetine HCl Anhydrous EP Impurity J (CAS CATO-C4X-103534)
- Paroxetine Impurity 27 (CAS 2575750-19-3)
Recommended Standards
- 3-Piperidinemethanol,4-(4-fluorophenyl)-1-(phenylmethyl)-,3-methanesulfonate,(3S,4R) (CAS 201855-71-2)
- 2-(4,4-Bis(4-fluorophenyl)butyl)-1,2,3,4-tetrahydroisoquinoline (CAS 827309-91-1)
- Loxoprofen Impurity 8 (CAS CATO-C4X-14888)
- Esomeprazole Impurity 114 (CAS CATO-C4X-1112114)
- Semaglutide impurity 271 (CAS CATO-C4X-2226271)
- 5-(2,6-difluorophenyl)-5-methylimidazolidine-2,4-dione (CAS 1052550-71-6)
- 1,2:3,4-Di-O-isopropylidene-6-thio-a-D-galactopyranose, 97% (CAS 16714-07-1)
- n-[(4-aminophenyl)methyl]-N-(propan-2-yl)acetamide (CAS 1156857-35-0)
- 2-{2-[3-(trifluoromethyl)phenyl]-1,3-thiazol-4-yl}acetic acid (CAS 886361-94-0)
- Tirzepatide Impurity 21 X TFA Salt (CAS CATO-C4X-324021)
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 13829788188 / jacky.chen@cato-chem.com