19447-03-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19447-03-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,4,4 and 7 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 19447-03:
(7*1)+(6*9)+(5*4)+(4*4)+(3*7)+(2*0)+(1*3)=121
121 % 10 = 1
So 19447-03-1 is a valid CAS Registry Number.