521918-08-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 521918-08-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,2,1,9,1 and 8 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 521918-08:
(8*5)+(7*2)+(6*1)+(5*9)+(4*1)+(3*8)+(2*0)+(1*8)=141
141 % 10 = 1
So 521918-08-1 is a valid CAS Registry Number.