1164491-67-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1164491-67-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,6,4,4,9 and 1 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1164491-67:
(9*1)+(8*1)+(7*6)+(6*4)+(5*4)+(4*9)+(3*1)+(2*6)+(1*7)=161
161 % 10 = 1
So 1164491-67-1 is a valid CAS Registry Number.