903184-13-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 903184-13-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,3,1,8 and 4 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 903184-13:
(8*9)+(7*0)+(6*3)+(5*1)+(4*8)+(3*4)+(2*1)+(1*3)=144
144 % 10 = 4
So 903184-13-4 is a valid CAS Registry Number.