SOLID STATE FORMS OF ETORICOXIB SALTS

摘要

Provided herein are novel solid state forms of etoricoxib salts, process for their preparation, pharmaceutical compositions, and method of treating thereof. The etoricoxib salts include an oxalate salt, a succinate salt, a fumarate salt, a besylate salt, a hydrobromide salt, a glutamate salt, a sulfamate salt, a benzoate salt, a cinnamate salt, a salicylate salt, or a tosylate salt. The solid state forms of etoricoxib salts disclosed herein are useful for preparing etoricoxib free base with high purity.