146109-31-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 146109-31-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,6,1,0 and 9 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 146109-31:
(8*1)+(7*4)+(6*6)+(5*1)+(4*0)+(3*9)+(2*3)+(1*1)=111
111 % 10 = 1
So 146109-31-1 is a valid CAS Registry Number.