2-Pyrrolidinone,3-amino-1-hydroxy-4-methyl-,trans-(9CI) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 132619-44-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,6,1 and 9 respectively; the second part has 2 digits, 4 and 4 respectively. Calculate Digit Verification of CAS Registry Number 132619-44: (8*1)+(7*3)+(6*2)+(5*6)+(4*1)+(3*9)+(2*4)+(1*4)=114 114 % 10 = 4 So 132619-44-4 is a valid CAS Registry Number.