(2S)-3,4-Dihydro-2H-1-benzopyran-2-carbonyl Chloride is an intermediate used in the synthesis of (S)-9-Hydroxy Risperidone-d4 (H953362), which is the S-enantiomer metabolite of Risperidone (R525000), a combined serotonin (5-HT2) and dopamine (D2) receptor antagonist.
