2-Pyrrolidinone, 1-hydroxy-5,5-dimethyl-, also known as 1-Hydroxy-5,5-dimethyl-2-pyrrolidinone or N-Hydroxy-5,5-dimethylhydantoin, is a chemical compound with the molecular formula C6H11NO3. It is a white crystalline solid that is soluble in water and has a molecular weight of 145.16 g/mol. 2-Pyrrolidinone, 1-hydroxy-5,5-dimethyl- is primarily used as a precursor in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals. It is also employed as a chelating agent and a stabilizer in various industrial applications. Due to its versatile chemical properties, 1-hydroxy-5,5-dimethyl-2-pyrrolidinone plays a significant role in the chemical industry, contributing to the production of a wide range of products.
The CAS Registry Mumber 5165-27-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,1,6 and 5 respectively; the second part has 2 digits, 2 and 7 respectively. Calculate Digit Verification of CAS Registry Number 5165-27: (6*5)+(5*1)+(4*6)+(3*5)+(2*2)+(1*7)=85 85 % 10 = 5 So 5165-27-5 is a valid CAS Registry Number.