208519-39-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 208519-39-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,8,5,1 and 9 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 208519-39:
(8*2)+(7*0)+(6*8)+(5*5)+(4*1)+(3*9)+(2*3)+(1*9)=135
135 % 10 = 5
So 208519-39-5 is a valid CAS Registry Number.