854401-80-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 854401-80-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,4,4,0 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 854401-80:
(8*8)+(7*5)+(6*4)+(5*4)+(4*0)+(3*1)+(2*8)+(1*0)=162
162 % 10 = 2
So 854401-80-2 is a valid CAS Registry Number.