Crystal and manufacturing method thereof thiazolidinediones

It is an object of the present invention to provide the crystalline form of a thiazolidinedione compound, which is effective as a pharmaceutical ingredient for manufacturing a peroxisome proliferator-activated receptor (PPAR) activator and an anticancer pharmaceutical composition. The present invention relates to a crystalline form of a hydrate of 5-(4-{[6-(4-amino-3,5-dimethylphenoxy)-1-methyl-1-H-benzimidazol-2-yl]methoxy}benzyl)-1,3-thiazolidine-2,4-dione dihydrochloride represented by the following formula (I). [Formula 1]