161692-16-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 161692-16-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,6,9 and 2 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 161692-16:
(8*1)+(7*6)+(6*1)+(5*6)+(4*9)+(3*2)+(2*1)+(1*6)=136
136 % 10 = 6
So 161692-16-6 is a valid CAS Registry Number.