1609067-71-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1609067-71-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,9,0,6 and 7 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1609067-71:
(9*1)+(8*6)+(7*0)+(6*9)+(5*0)+(4*6)+(3*7)+(2*7)+(1*1)=171
171 % 10 = 1
So 1609067-71-1 is a valid CAS Registry Number.