Empirical Formula: (Hill Notation) C6H8O6, Molecular Weight: 176.12, powder, cell culture tested, γ-irradiated, Synonym: L-Threoascorbic acid, Antiscorbutic factor, Vitamin C. For use in cell culture applications as an antioxidant and to regenerate tocopherol. L-ascorbic acid has been used: in an osteogenic supplement for the growth of cells, as a component in the differentiation media, and in WS-MSCs (Werner syndrome-mesenchymal stem cells) to study rescuing properties of ascorbic acid on aging defects.