Mirtazapine is a tetracyclic antidepressant used in the treatment of major depression and is used off-label as a drug for insomnia and to increase appetite.
Mirtazapine has a tetracyclic chemical structure and belongs to the piperazino-azepine group of compounds. It is chemically described as (±)-2-Methyl-1,2,3,4,10,14b-hexahydropyrazino[2,1-a]pyrido[2,3-c][2]benzazepine. Its molecular formula is C17H19N3 and molecular weight is 265.36.
Mirtazapine is a white to creamy white crystalline powder which is slightly soluble in Water, soluble in Methanol and Chloroform. Its melting point is 114 to 116°C.