1609173-71-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1609173-71-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,9,1,7 and 3 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1609173-71:
(9*1)+(8*6)+(7*0)+(6*9)+(5*1)+(4*7)+(3*3)+(2*7)+(1*1)=168
168 % 10 = 8
So 1609173-71-8 is a valid CAS Registry Number.