208171-11-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 208171-11-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,8,1,7 and 1 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 208171-11:
(8*2)+(7*0)+(6*8)+(5*1)+(4*7)+(3*1)+(2*1)+(1*1)=103
103 % 10 = 3
So 208171-11-3 is a valid CAS Registry Number.