436161-16-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 436161-16-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,6,1,6 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 436161-16:
(8*4)+(7*3)+(6*6)+(5*1)+(4*6)+(3*1)+(2*1)+(1*6)=129
129 % 10 = 9
So 436161-16-9 is a valid CAS Registry Number.