Chemical name:4-Butoxy-N-hydroxybenzeneacetamide; 2-(p-Butoxyphenyl)acetohydroxamic acid Product name: bufexamac CAS No.: 2438-72-4 EINECS No.: 219-451-1 Type: Anti-inflammatory, analgesic Packing: fiber drum Molecular formula: C12H17NO3 Molecular weight: 223.27 Structural formula: Appearance: white or off-white crystal or crystalline powder Melting point: 162--168°C Assay: 98.0--102.0% Moisture: ≤0.5% Residues: ≤0.1% Heavy metals: ≤0.001%