1186405-13-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1186405-13-9 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, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1186405-13:
(9*1)+(8*1)+(7*8)+(6*6)+(5*4)+(4*0)+(3*5)+(2*1)+(1*3)=149
149 % 10 = 9
So 1186405-13-9 is a valid CAS Registry Number.