116997-94-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 116997-94-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,9,9 and 7 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 116997-94:
(8*1)+(7*1)+(6*6)+(5*9)+(4*9)+(3*7)+(2*9)+(1*4)=175
175 % 10 = 5
So 116997-94-5 is a valid CAS Registry Number.