1164458-72-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1164458-72-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,6,4,4,5 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1164458-72:
(9*1)+(8*1)+(7*6)+(6*4)+(5*4)+(4*5)+(3*8)+(2*7)+(1*2)=163
163 % 10 = 3
So 1164458-72-3 is a valid CAS Registry Number.