53820-84-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53820-84-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,8,2 and 0 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 53820-84:
(7*5)+(6*3)+(5*8)+(4*2)+(3*0)+(2*8)+(1*4)=121
121 % 10 = 1
So 53820-84-1 is a valid CAS Registry Number.