113689-18-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 113689-18-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,6,8 and 9 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 113689-18:
(8*1)+(7*1)+(6*3)+(5*6)+(4*8)+(3*9)+(2*1)+(1*8)=132
132 % 10 = 2
So 113689-18-2 is a valid CAS Registry Number.