Fluconazole Impurity 58 CAS 123091-15-6 (free base)
| CAS No. | 123091-15-6 (free base) |
| Molecular Formula | C11H17NO3S |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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.
As a process- or degradation-related impurity, Fluconazole Impurity 58 (CAS 123091-15-6 (free base), C11H17NO3SHCl) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Structurally, Fluconazole Impurity 58 (C11H17NO3SHCl) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 279.78 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures Fluconazole Impurity 58 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 | C11H17NO3S HCl |
| Molecular Weight | 279.78 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Fluconazole Standards
- Fluconazole-d4 (CAS 1124197-58-5)
- Fluconazole EP Impurity F (CAS 118689-07-9)
- Fluconazole Impurity 48 (CAS 1222655-38-0)
- Fluconazole Impurity 19 (CAS 1348664-75-4)
- Fluconazole β-D-glucuronide (CAS 136134-23-1)
- Fluconazole EP Impurity I Bromide (CAS 150168-54-0)
- Fluconazole EP Impurity H (CAS 150194-52-8)
- Fluconazole Impurity 22 (CAS 154534-83-5)
Recommended Standards
- Haloperidol Impurity 37 (CAS 84819-46-5)
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- 3-Fluoro-1H-indole-2-carboxylic acid (CAS 942433-63-8)
- N-(2-Acetylbenzofuran-3-yl)-4-methylbenzenesulfonamide (CAS 94511-08-7)
- (S)-1-(1-Methyl-1H-pyrazol-4-yl)ethanamine dihydrochloride (CAS 2580098-92-4)
- 1-(5-Bromo-3-chloropyridin-2-yl)ethanamine (CAS 749201-00-1)
- 1-(4-Methylbenzyl)piperidine-2-carboxylic acid (CAS 1041856-75-0)
- 4-(5-(1-Chloro-2-methylpropan-2-yl)-1,2,4-oxadiazol-3-yl)aniline (CAS 1373233-51-2)
- Hexapeptide-11 (CAS 161258-30-6)
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