1609162-55-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1609162-55-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,9,1,6 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1609162-55:
(9*1)+(8*6)+(7*0)+(6*9)+(5*1)+(4*6)+(3*2)+(2*5)+(1*5)=161
161 % 10 = 1
So 1609162-55-1 is a valid CAS Registry Number.