109563-03-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109563-03-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,5,6 and 3 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 109563-03:
(8*1)+(7*0)+(6*9)+(5*5)+(4*6)+(3*3)+(2*0)+(1*3)=123
123 % 10 = 3
So 109563-03-3 is a valid CAS Registry Number.