Biochemical reagents are indispensable in life science research, clinical diagnosis, and other fields. The following reagents each have important applications.

25-Hydroxycholesterol and 25-hydroxydehydrocholesterol are cholesterol metabolites. As biochemical reagents, they can be used to study cholesterol metabolic pathways and the pathogenesis of related diseases, providing important tools for research on cardiovascular diseases.

Pyroglutamyl amino acid p-nitroaniline is commonly used to detect the activity of pyroglutamyl peptidase. It is of great significance in biochemical research and clinical diagnosis, helping to understand the physiological and pathological states of the body.

L-selenomethionine is a selenium-containing amino acid. As a biochemical reagent, it can be used to study the structure and function of proteins, as well as the metabolism and physiological effects of selenium in organisms.

Sodium 2-chloroethylsulfonate is an important alkylating agent used in biochemical experiments to modify biological macromolecules such as proteins and nucleic acids to study the relationship between their structure and function.