Fluoxetine Impurity 27 CAS 18776-12-0
| CAS No. | 18776-12-0 |
| Molecular Formula | C9H11ClO |
| Molecular Weight | 170.64 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Fluoxetine Impurity 27 (C9H11ClO) contains a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies Fluoxetine Impurity 27 (CAS 18776-12-0), a pharmacopoeial impurity reference standard (molecular formula C9H11ClO, MW 170.64 g/mol) used for the identification and quantification of trace impurities in APIs.
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 27 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 | C9H11ClO |
| Molecular Weight | 170.64 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
Related Fluoxetine Standards
- Fluoxetine EP Impurity A (CAS 42142-52-9)
- Fluoxetine Impurity 37 (CAS 101-98-4)
- Fluoxetine Impurity 16 (CAS 3506-36-3)
- Fluoxetine Impurity 25 (CAS 27152-62-1)
- Fluoxetine Impurity 4 (CAS 402-45-9)
- Fluoxetine Impurity 12 (CAS 5554-64-3)
- Fluoxetine Impurity 01 (CAS 4850-49-1)
- Fluoxetine Impurity 23 (CAS 5053-63-4)
Recommended Standards
- Umeclidinium impurity 22 (CAS 17229-17-3)
- Dapoxetine Impurity 37 (CAS 100306-34-1)
- 3-(4-Chlorophenyl)propan-1-ol (CAS 6282-88-8)
- Dapoxetine Impurity 74 (CAS 100306-33-0)
- Trospium Impurity 9 (CAS CATO-C4X-20389)
- Glycopyrrolate Impurity 12 (CAS 131237-81-5)
- Rivastigmine impurity 32 (CAS CATO-C4X-138432)
- Ethyl 5-(tetrahydro-2H-pyran-4-yl)oxazole-4-carboxylate (CAS 1341092-16-7)
- Methyl 2-(3,6-diamino-9H-carbazol-9-yl)acetate (CAS 137696-23-2)
- 6-Chloro-1-tosyl-1H-pyrrolo[2,3-b]pyridine (CAS 1332605-39-6)
- 3-(Difluoromethyl)-5-fluoro-6-methoxypyridin-2-amine (CAS 1806793-55-4)
- 3,5-Difluorobenzaldehyde 32085-88-4 AS01455 BENZALDEHYDE, 3,5-DIFLUORO- (CAS 32085-88-4)
- (3R,8aS)-hexahydro-1H-pyrrolo[2,1-c][1,4]oxazine-3-carboxylic acid (CAS 1821818-54-5)
- Semaglutide Impurity 75 (CAS CATO-C4X-2226175)
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