103618-99-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103618-99-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,6,1 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 103618-99:
(8*1)+(7*0)+(6*3)+(5*6)+(4*1)+(3*8)+(2*9)+(1*9)=111
111 % 10 = 1
So 103618-99-1 is a valid CAS Registry Number.