4,5-Diamino-1-(2-hydroxyethyl)pyrazole Sulfate丨CAS 155601-30-2

4,5-Diamino-1-(2-hydroxyethyl)pyrazole sulfate is a versatile heterocyclic intermediate used primarily in pharmaceutical and fine chemical synthesis. It serves as a key building block for the preparation of antiviral, anticancer, and antimicrobial agents, where the pyrazole core provides a scaffold for bioactive compounds. The hydroxyethyl group enhances solubility and reactivity, enabling functionalization for peptide conjugates and other derivatives. It is also utilized in the synthesis of dyes, agrochemicals, and specialty chemicals where substituted pyrazoles are required. Its sulfate salt form offers improved stability, solubility, and handling, making it suitable for both laboratory research and industrial-scale chemical processes.

The primary benefits of this compound lie in its multifunctional structure, which allows selective reactions at amino and hydroxyl sites for diverse chemical modifications. Its pyrazole ring supports the development of biologically active molecules with enhanced potency, while the hydroxyethyl substituent improves water solubility, facilitating formulation and reaction efficiency. The sulfate form increases stability and ease of handling, which is advantageous in large-scale synthesis. Overall, these features make it a highly adaptable intermediate for developing pharmaceuticals, agrochemicals, and specialty chemicals, enabling efficient production of complex and high-value molecules.