897039-72-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 897039-72-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,7,0,3 and 9 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 897039-72:
(8*8)+(7*9)+(6*7)+(5*0)+(4*3)+(3*9)+(2*7)+(1*2)=224
224 % 10 = 4
So 897039-72-4 is a valid CAS Registry Number.