1140909-16-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1140909-16-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,0,9,0 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1140909-16:
(9*1)+(8*1)+(7*4)+(6*0)+(5*9)+(4*0)+(3*9)+(2*1)+(1*6)=125
125 % 10 = 5
So 1140909-16-5 is a valid CAS Registry Number.