(2R,3R) -2,3,4-Trihydroxybutanoic acid

Erythorbic acid, the (2R,3R) -2,3,4-trihydroxybutanoic acid isomer, is a natural metabolite present in human biofluids like plasma and cerebrospinal fluid. It serves as a research tool in studies of antioxidant mechanisms, carbohydrate metabolism, and as an in vitro standard for analytical assays.