1164505-27-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1164505-27-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,6,4,5,0 and 5 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1164505-27:
(9*1)+(8*1)+(7*6)+(6*4)+(5*5)+(4*0)+(3*5)+(2*2)+(1*7)=134
134 % 10 = 4
So 1164505-27-4 is a valid CAS Registry Number.