N-(1,3-dioxobutyl)-2-thiopyrrolidinone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 148902-15-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,8,9,0 and 2 respectively; the second part has 2 digits, 1 and 5 respectively. Calculate Digit Verification of CAS Registry Number 148902-15: (8*1)+(7*4)+(6*8)+(5*9)+(4*0)+(3*2)+(2*1)+(1*5)=142 142 % 10 = 2 So 148902-15-2 is a valid CAS Registry Number.