109353-13-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109353-13-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,3,5 and 3 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 109353-13:
(8*1)+(7*0)+(6*9)+(5*3)+(4*5)+(3*3)+(2*1)+(1*3)=111
111 % 10 = 1
So 109353-13-1 is a valid CAS Registry Number.