1164523-83-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1164523-83-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,6,4,5,2 and 3 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1164523-83:
(9*1)+(8*1)+(7*6)+(6*4)+(5*5)+(4*2)+(3*3)+(2*8)+(1*3)=144
144 % 10 = 4
So 1164523-83-4 is a valid CAS Registry Number.