Not Less Than - 95%
(5R)-5-[(1R)-1,2-dihydroxyethyl]-3,4-dihydroxyfuran-2(5H)-one; D(-)-Isoascorbic Acid (Erythorbic Acid); Araboascorbic Acid, D-; D-Araboascorbic Acid; D-Erythorbic Acid; ; D-arabino-Ascorbic Acid; D-Erythro-hex-2-enoic acid delta-lactone; Isoascorbic Acid