854304-53-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 854304-53-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,4,3,0 and 4 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 854304-53:
(8*8)+(7*5)+(6*4)+(5*3)+(4*0)+(3*4)+(2*5)+(1*3)=163
163 % 10 = 3
So 854304-53-3 is a valid CAS Registry Number.