10409-19-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 10409-19-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,4,0 and 9 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 10409-19:
(7*1)+(6*0)+(5*4)+(4*0)+(3*9)+(2*1)+(1*9)=65
65 % 10 = 5
So 10409-19-5 is a valid CAS Registry Number.