109804-64-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109804-64-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,8,0 and 4 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 109804-64:
(8*1)+(7*0)+(6*9)+(5*8)+(4*0)+(3*4)+(2*6)+(1*4)=130
130 % 10 = 0
So 109804-64-0 is a valid CAS Registry Number.