109940-96-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109940-96-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,9,4 and 0 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 109940-96:
(8*1)+(7*0)+(6*9)+(5*9)+(4*4)+(3*0)+(2*9)+(1*6)=147
147 % 10 = 7
So 109940-96-7 is a valid CAS Registry Number.