116880-91-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 116880-91-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,8,8 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 116880-91:
(8*1)+(7*1)+(6*6)+(5*8)+(4*8)+(3*0)+(2*9)+(1*1)=142
142 % 10 = 2
So 116880-91-2 is a valid CAS Registry Number.