161003-71-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 161003-71-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,0,0 and 3 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 161003-71:
(8*1)+(7*6)+(6*1)+(5*0)+(4*0)+(3*3)+(2*7)+(1*1)=80
80 % 10 = 0
So 161003-71-0 is a valid CAS Registry Number.