161431-60-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 161431-60-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,4,3 and 1 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 161431-60:
(8*1)+(7*6)+(6*1)+(5*4)+(4*3)+(3*1)+(2*6)+(1*0)=103
103 % 10 = 3
So 161431-60-3 is a valid CAS Registry Number.