109961-75-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109961-75-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,9,6 and 1 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 109961-75:
(8*1)+(7*0)+(6*9)+(5*9)+(4*6)+(3*1)+(2*7)+(1*5)=153
153 % 10 = 3
So 109961-75-3 is a valid CAS Registry Number.