Calcitriol D6 is the deuterated form of Calcitriol, which is the hormonally active form of vitamin D. Calcitriol is the active metabolite of vitamin D3 that activates the vitamin D receptor.
Impurity B of Calcitriol is an impurity of Calcitriol. Calcitriol is the hormonally active form of vitamin D, Calcitriol is the active metabolite of vitamin D3 that activates the vitamin D receptor (VDR).
Calcitriol Impurities A refers to the contaminants found in Calcitriol, the hormonally active metabolite of vitamin D3, which serves to activate the vitamin D receptor.