72603-51-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72603-51-1 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, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 72603-51:
(7*7)+(6*2)+(5*6)+(4*0)+(3*3)+(2*5)+(1*1)=111
111 % 10 = 1
So 72603-51-1 is a valid CAS Registry Number.