Calcifediol is a major circulating metabolite of vitamin D3, acting as a competitive inhibitor with an apparent Ki of 3.9 μM, suppresses PTH secretion and mRNA (ED50=2 nM).

Calcifediol is a major circulating metabolite of vitamin D3, acting as a competitive inhibitor with an apparent Ki of 3.9 μM, suppresses PTH secretion and mRNA (ED50=2 nM).

Calcifediol is a major circulating metabolite of vitamin D3, acting as a competitive inhibitor with an apparent Ki of 3.9 μM, suppresses PTH secretion and mRNA (ED50=2 nM).

Calcifediol is a major circulating metabolite of vitamin D3, acting as a competitive inhibitor with an apparent Ki of 3.9 μM, suppresses PTH secretion and mRNA (ED50=2 nM).

Calcifediol is a major circulating metabolite of vitamin D3, acting as a competitive inhibitor with an apparent Ki of 3.9 μM, suppresses PTH secretion and mRNA (ED50=2 nM).

Calcifediol is a major circulating metabolite of vitamin D3, acting as a competitive inhibitor with an apparent Ki of 3.9 μM, suppresses PTH secretion and mRNA (ED50=2 nM).

Calcitriol Impurities A is an impurity of calcitriol, and calcitriol is the hormonally active form of vitamin D, an active metabolite of vitamin D3 that activates the vitamin D receptor (VDR).

Calcitriol Impurities A is an impurity of calcitriol, and calcitriol is the hormonally active form of vitamin D, an active metabolite of vitamin D3 that activates the vitamin D receptor (VDR).

Calcitriol Impurities A is an impurity of calcitriol, and calcitriol is the hormonally active form of vitamin D, an active metabolite of vitamin D3 that activates the vitamin D receptor (VDR).

Calcitriol Impurities A is an impurity of calcitriol, and calcitriol is the hormonally active form of vitamin D, an active metabolite of vitamin D3 that activates the vitamin D receptor (VDR).

Calcium 2-hydroxy-4-(methylthio)butanoate is an endogenous metabolite.

Leucovorin calcium is a reduced form of folic acid.

Leucovorin calcium is a reduced form of folic acid.

Calcium L-Threonate, an anti-osteoporosis agent, is widely used as a calcium supplement. Calcium L-Threonate also stimulates the uptake of ascorbic acid.

Calcium levofolinate is the calcium salt of levoleucovorin, which is the enantiomerically active form of folinic acid.

Calcium levofolinate is the calcium salt of levoleucovorin, which is the enantiomerically active form of folinic acid.

Calmidazolium Chloride is a calmodulin antagonist.

Calmidazolium Chloride is a calmodulin antagonist.

Calmidazolium Chloride is a calmodulin antagonist.

Calpeptin is a potent, cell-permeable calpain inhibitor with ID50 of 52 nM, 34 nM, 138 nM, and 40 nM for Calpain I (porcine erythrocytes), Calpain II (porcine kidney), Papainb, and Calpain I (human platelets), respectively.

Calpeptin is a potent, cell-permeable calpain inhibitor with ID50 of 52 nM, 34 nM, 138 nM, and 40 nM for Calpain I (porcine erythrocytes), Calpain II (porcine kidney), Papainb, and Calpain I (human platelets), respectively.

Calpeptin is a potent, cell-permeable calpain inhibitor with ID50 of 52 nM, 34 nM, 138 nM, and 40 nM for Calpain I (porcine erythrocytes), Calpain II (porcine kidney), Papainb, and Calpain I (human platelets), respectively.

Calpeptin is a potent, cell-permeable calpain inhibitor with ID50 of 52 nM, 34 nM, 138 nM, and 40 nM for Calpain I (porcine erythrocytes), Calpain II (porcine kidney), Papainb, and Calpain I (human platelets), respectively.

Calpeptin is a potent, cell-permeable calpain inhibitor with ID50 of 52 nM, 34 nM, 138 nM, and 40 nM for Calpain I (porcine erythrocytes), Calpain II (porcine kidney), Papainb, and Calpain I (human platelets), respectively.

Calycosin-7-O-β-D-glucoside, a melanin biosynthesis inhibitor, is isolated from the methanol extract of astragalus.

Calycosin-7-O-β-D-glucoside, a melanin biosynthesis inhibitor, is isolated from the methanol extract of astragalus.

Calycosin-7-O-β-D-glucoside, a melanin biosynthesis inhibitor, is isolated from the methanol extract of astragalus.