53809-86-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53809-86-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,8,0 and 9 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 53809-86:
(7*5)+(6*3)+(5*8)+(4*0)+(3*9)+(2*8)+(1*6)=142
142 % 10 = 2
So 53809-86-2 is a valid CAS Registry Number.