1164381-26-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1164381-26-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,6,4,3,8 and 1 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1164381-26:
(9*1)+(8*1)+(7*6)+(6*4)+(5*3)+(4*8)+(3*1)+(2*2)+(1*6)=143
143 % 10 = 3
So 1164381-26-3 is a valid CAS Registry Number.