54820-63-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54820-63-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,8,2 and 0 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 54820-63:
(7*5)+(6*4)+(5*8)+(4*2)+(3*0)+(2*6)+(1*3)=122
122 % 10 = 2
So 54820-63-2 is a valid CAS Registry Number.