117986-43-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117986-43-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,9,8 and 6 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 117986-43:
(8*1)+(7*1)+(6*7)+(5*9)+(4*8)+(3*6)+(2*4)+(1*3)=163
163 % 10 = 3
So 117986-43-3 is a valid CAS Registry Number.