Benzenesulfonyl-thiophen-2-yl-acetonitrile is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 130138-43-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,1,3 and 8 respectively; the second part has 2 digits, 4 and 3 respectively. Calculate Digit Verification of CAS Registry Number 130138-43: (8*1)+(7*3)+(6*0)+(5*1)+(4*3)+(3*8)+(2*4)+(1*3)=81 81 % 10 = 1 So 130138-43-1 is a valid CAS Registry Number.