Sodium 2-oxobutanoate-d5 is the deuterium labeled Sodium 2-oxobutanoate (HY-W005355). Sodium 2-oxobutanoate is an organic compound commonly used as a food additive and industrial raw material. It can be used as an acidity regulator, leavening agent and preservative, and is often used in the fields of bread, baked goods and canning. In addition, the compound is used in the production of certain industrial products, such as in plastics, textiles and dyes.