117969-99-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117969-99-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,9,6 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 117969-99:
(8*1)+(7*1)+(6*7)+(5*9)+(4*6)+(3*9)+(2*9)+(1*9)=180
180 % 10 = 0
So 117969-99-0 is a valid CAS Registry Number.