The invention relates to crystalline epirubicin hydrochloride and to a method for producing it. The method for producing crystalline epirubicin hydrochloride comprises the steps of (a) providing epirubicin hydrochloride (b) preparing a mixture which comprises the provided epirubicin hydrochloride and at least one alcohol selected from the group consisting of 1 butanol 2 butanol and 1 pentanol and (c) crystallizing epirubicin hydrochloride from this mixture.
