116704-99-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 116704-99-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,7,0 and 4 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 116704-99:
(8*1)+(7*1)+(6*6)+(5*7)+(4*0)+(3*4)+(2*9)+(1*9)=125
125 % 10 = 5
So 116704-99-5 is a valid CAS Registry Number.