208103-39-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 208103-39-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,8,1,0 and 3 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 208103-39:
(8*2)+(7*0)+(6*8)+(5*1)+(4*0)+(3*3)+(2*3)+(1*9)=93
93 % 10 = 3
So 208103-39-3 is a valid CAS Registry Number.