7-(Benzyloxy)-1-methyl-1H-indazole-3-carbonyl Chloride-D3 is the deuterated form of 7-(Benzyloxy)-1-methyl-1H-indazole-3-carbonyl Chloride (B411243), which is an intermediate in the synthesis of 7-Hydroxy Granisetron Hydrochloride (H942675), a Granisetron (G780000) metabolite.