1173289-99-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1173289-99-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,3,2,8 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1173289-99:
(9*1)+(8*1)+(7*7)+(6*3)+(5*2)+(4*8)+(3*9)+(2*9)+(1*9)=180
180 % 10 = 0
So 1173289-99-0 is a valid CAS Registry Number.