789428-03-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 789428-03-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,8,9,4,2 and 8 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 789428-03:
(8*7)+(7*8)+(6*9)+(5*4)+(4*2)+(3*8)+(2*0)+(1*3)=221
221 % 10 = 1
So 789428-03-1 is a valid CAS Registry Number.