101103-89-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 101103-89-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,1,0 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 101103-89:
(8*1)+(7*0)+(6*1)+(5*1)+(4*0)+(3*3)+(2*8)+(1*9)=53
53 % 10 = 3
So 101103-89-3 is a valid CAS Registry Number.