Febuxostat n-butyl isomer is an analytical reference standard and a known impurity of febuxostat. It is intended for research and quality-control applications, including impurity profiling, method development, and analytical validation for xanthine oxidase inhibitor products. The compound has molecular formula C16H16N2O3S and molecular weight 316.37 g·mol⁻1, and is offered at high purity for laboratory use.
- High purity (≥98.0%) suitable for analytical and reference use.
- Supports impurity profiling and method development for febuxostat-related products.
- Available in small reference quantities and larger sizes by request.
- Chemical identity confirmed by CAS number and structural data for reliable traceability.
- Supplied for research and quality-control applications, not for human use.