107806-89-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 107806-89-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,8,0 and 6 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 107806-89:
(8*1)+(7*0)+(6*7)+(5*8)+(4*0)+(3*6)+(2*8)+(1*9)=133
133 % 10 = 3
So 107806-89-3 is a valid CAS Registry Number.