Introduction Hydroxyethyl urea (HEU), with the chemical formula C3H9N2O2, and CAS number 1320-51-0, is an organic compound primarily used in various industrial applications. It is a versatile chemical widely utilized in the cosmetic, pharmaceutical, and chemical industries due to its hygroscopic properties and ability to enhance moisture retention in formulations. Hydroxyethyl urea is commonly used

N-Phenylmaleimide N-PMI Product Name: N-Phenylmaleimide Structural Characteristics: N-Phenylmaleimide (N-PMI) Chemical Formula: C10H7NO2 CAS No.: 941-69-5 Molecular Weight: 173.16 Product Description: N-Phenylmaleimide is a compound containing a benzene ring and a carbonyl group, with a structure similar to polyimide. Due to the presence of the benzene ring in its molecule, it does not easily decompose to