118691-43-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 118691-43-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,6,9 and 1 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 118691-43:
(8*1)+(7*1)+(6*8)+(5*6)+(4*9)+(3*1)+(2*4)+(1*3)=143
143 % 10 = 3
So 118691-43-3 is a valid CAS Registry Number.