72603-19-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72603-19-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,6,0 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 72603-19:
(7*7)+(6*2)+(5*6)+(4*0)+(3*3)+(2*1)+(1*9)=111
111 % 10 = 1
So 72603-19-1 is a valid CAS Registry Number.