1173184-80-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1173184-80-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,3,1,8 and 4 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1173184-80:
(9*1)+(8*1)+(7*7)+(6*3)+(5*1)+(4*8)+(3*4)+(2*8)+(1*0)=149
149 % 10 = 9
So 1173184-80-9 is a valid CAS Registry Number.