861344-16-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 861344-16-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,1,3,4 and 4 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 861344-16:
(8*8)+(7*6)+(6*1)+(5*3)+(4*4)+(3*4)+(2*1)+(1*6)=163
163 % 10 = 3
So 861344-16-3 is a valid CAS Registry Number.