Displaying 5 results of Cyanoacetic Acid Stable Isotopes Cyanoacetic acid stable isotopes are a set of isotopes that are used in chemical research to label molecules for tracking and analysis. These isotopes are stable, meaning that they do not decay over time, and they are used to create labeled versions of cyanoacetic acid, a compound commonly used as a building block in organic chemistry. This labeling allows for precise tracking and analysis of chemical reactions and pathways.