208037-89-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 208037-89-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,8,0,3 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 208037-89:
(8*2)+(7*0)+(6*8)+(5*0)+(4*3)+(3*7)+(2*8)+(1*9)=122
122 % 10 = 2
So 208037-89-2 is a valid CAS Registry Number.