16169-99-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16169-99-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,1,6 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 16169-99:
(7*1)+(6*6)+(5*1)+(4*6)+(3*9)+(2*9)+(1*9)=126
126 % 10 = 6
So 16169-99-6 is a valid CAS Registry Number.