109616-70-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109616-70-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,6,1 and 6 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 109616-70:
(8*1)+(7*0)+(6*9)+(5*6)+(4*1)+(3*6)+(2*7)+(1*0)=128
128 % 10 = 8
So 109616-70-8 is a valid CAS Registry Number.