897400-05-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 897400-05-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,7,4,0 and 0 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 897400-05:
(8*8)+(7*9)+(6*7)+(5*4)+(4*0)+(3*0)+(2*0)+(1*5)=194
194 % 10 = 4
So 897400-05-4 is a valid CAS Registry Number.