426819-84-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 426819-84-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,6,8,1 and 9 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 426819-84:
(8*4)+(7*2)+(6*6)+(5*8)+(4*1)+(3*9)+(2*8)+(1*4)=173
173 % 10 = 3
So 426819-84-3 is a valid CAS Registry Number.