1164561-58-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1164561-58-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,6,4,5,6 and 1 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1164561-58:
(9*1)+(8*1)+(7*6)+(6*4)+(5*5)+(4*6)+(3*1)+(2*5)+(1*8)=153
153 % 10 = 3
So 1164561-58-3 is a valid CAS Registry Number.