1208394-99-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1208394-99-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,8,3,9 and 4 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1208394-99:
(9*1)+(8*2)+(7*0)+(6*8)+(5*3)+(4*9)+(3*4)+(2*9)+(1*9)=163
163 % 10 = 3
So 1208394-99-3 is a valid CAS Registry Number.