141805-54-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 141805-54-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,8,0 and 5 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 141805-54:
(8*1)+(7*4)+(6*1)+(5*8)+(4*0)+(3*5)+(2*5)+(1*4)=111
111 % 10 = 1
So 141805-54-1 is a valid CAS Registry Number.