1579-97-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1579-97-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,5,7 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1579-97:
(6*1)+(5*5)+(4*7)+(3*9)+(2*9)+(1*7)=111
111 % 10 = 1
So 1579-97-1 is a valid CAS Registry Number.