104819-89-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104819-89-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,8,1 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 104819-89:
(8*1)+(7*0)+(6*4)+(5*8)+(4*1)+(3*9)+(2*8)+(1*9)=128
128 % 10 = 8
So 104819-89-8 is a valid CAS Registry Number.