109512-10-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109512-10-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,5,1 and 2 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 109512-10:
(8*1)+(7*0)+(6*9)+(5*5)+(4*1)+(3*2)+(2*1)+(1*0)=99
99 % 10 = 9
So 109512-10-9 is a valid CAS Registry Number.