1186405-23-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1186405-23-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,6,4,0 and 5 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1186405-23:
(9*1)+(8*1)+(7*8)+(6*6)+(5*4)+(4*0)+(3*5)+(2*2)+(1*3)=151
151 % 10 = 1
So 1186405-23-1 is a valid CAS Registry Number.