54857-84-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54857-84-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,8,5 and 7 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 54857-84:
(7*5)+(6*4)+(5*8)+(4*5)+(3*7)+(2*8)+(1*4)=160
160 % 10 = 0
So 54857-84-0 is a valid CAS Registry Number.