Calcium Alginate

Calcium; (2S,3S,4S,5S,6R) -6-[ (2R,3S,4R,5S,6R) -2-carboxy-6-[ (2R,3S,4R,5S,6R) -2-carboxylato-4,5,6-trihydroxyoxan-3-yl]oxy-4,5-dihydroxyoxan-3-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylate

[C@@H]1([C@@H]([C@H](O[C@H]([C@H]1O)O[C@H]2[C@@H]([C@@H]([C@@H](O[C@H]2C(=O)O)O[C@H]3[C@@H]([C@@H]([C@@H](O[C@H]3C(=O)[O-])O)O)O)O)O)C(=O)[O-])O)O.[Ca+2]