16168-29-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16168-29-9 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 8 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 16168-29:
(7*1)+(6*6)+(5*1)+(4*6)+(3*8)+(2*2)+(1*9)=109
109 % 10 = 9
So 16168-29-9 is a valid CAS Registry Number.