128191-96-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128191-96-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,1,9 and 1 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 128191-96:
(8*1)+(7*2)+(6*8)+(5*1)+(4*9)+(3*1)+(2*9)+(1*6)=138
138 % 10 = 8
So 128191-96-8 is a valid CAS Registry Number.