103905-09-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103905-09-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,9,0 and 5 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 103905-09:
(8*1)+(7*0)+(6*3)+(5*9)+(4*0)+(3*5)+(2*0)+(1*9)=95
95 % 10 = 5
So 103905-09-5 is a valid CAS Registry Number.