54619-78-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54619-78-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,6,1 and 9 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 54619-78:
(7*5)+(6*4)+(5*6)+(4*1)+(3*9)+(2*7)+(1*8)=142
142 % 10 = 2
So 54619-78-2 is a valid CAS Registry Number.