1609405-64-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1609405-64-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,9,4,0 and 5 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1609405-64:
(9*1)+(8*6)+(7*0)+(6*9)+(5*4)+(4*0)+(3*5)+(2*6)+(1*4)=162
162 % 10 = 2
So 1609405-64-2 is a valid CAS Registry Number.