1164531-75-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1164531-75-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,6,4,5,3 and 1 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1164531-75:
(9*1)+(8*1)+(7*6)+(6*4)+(5*5)+(4*3)+(3*1)+(2*7)+(1*5)=142
142 % 10 = 2
So 1164531-75-2 is a valid CAS Registry Number.