109366-40-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109366-40-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,3,6 and 6 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 109366-40:
(8*1)+(7*0)+(6*9)+(5*3)+(4*6)+(3*6)+(2*4)+(1*0)=127
127 % 10 = 7
So 109366-40-7 is a valid CAS Registry Number.