15547-44-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15547-44-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,5,4 and 7 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 15547-44:
(7*1)+(6*5)+(5*5)+(4*4)+(3*7)+(2*4)+(1*4)=111
111 % 10 = 1
So 15547-44-1 is a valid CAS Registry Number.