254103-94-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 254103-94-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,4,1,0 and 3 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 254103-94:
(8*2)+(7*5)+(6*4)+(5*1)+(4*0)+(3*3)+(2*9)+(1*4)=111
111 % 10 = 1
So 254103-94-1 is a valid CAS Registry Number.