113691-20-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 113691-20-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,6,9 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 113691-20:
(8*1)+(7*1)+(6*3)+(5*6)+(4*9)+(3*1)+(2*2)+(1*0)=106
106 % 10 = 6
So 113691-20-6 is a valid CAS Registry Number.