10398-03-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 10398-03-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,3,9 and 8 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 10398-03:
(7*1)+(6*0)+(5*3)+(4*9)+(3*8)+(2*0)+(1*3)=85
85 % 10 = 5
So 10398-03-5 is a valid CAS Registry Number.