4-Bromo-N-((4-ethyl-5-((3-fluorobenzyl)thio)-4H-1,2,4-triazol-3-yl)methyl)benzenesulfonamide CAS 338794-60-8
| CAS No. | 338794-60-8 |
| Molecular Formula | C18H18BrFN4O2S2 |
| Molecular Weight | 485.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
4-Bromo-N-((4-ethyl-5-((3-fluorobenzyl)thio)-4H-1,2,4-triazol-3-yl)methyl)benzenesulfonamide (CAS 338794-60-8), molecular formula C18H18BrFN4O2S2 and molecular weight 485.39 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-Bromo-N-((4-ethyl-5-((3-fluorobenzyl)thio)-4H-1,2,4-triazol-3-yl)methyl)benzenesulfonamide (C18H18BrFN4O2S2) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine/bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 485.39 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 4-Bromo-N-((4-ethyl-5-((3-fluorobenzyl)thio)-4H-1,2,4-triazol-3-yl)methyl)benzenesulfonamide 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 | C18H18BrFN4O2S2 |
| Molecular Weight | 485.39 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 2 |
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Recommended Standards
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