5743-27-1 96653-51-9 Ascorbic acid calcium salt CALCIUM ASCORBATE CCRIS 7671 Calci-C Calcium L-ascorbate Calcium ascorbate anhydrous Calcium diascorbate EINECS 227-261-5 HSDB 255 Hemicalcium ascorbate L-Ascorbic acid, calcium salt (2:1)