Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 36322-90-4, Whether you call it Piroxicam or 4-Hydroxy-2-methyl-N-(2-pyridyl)-2H-1 -2-benzothiazine-3-carboxamide 1 -1-Dioxide you can be assured the products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.