730-72-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 730-72-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,3 and 0 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 730-72:
(5*7)+(4*3)+(3*0)+(2*7)+(1*2)=63
63 % 10 = 3
So 730-72-3 is a valid CAS Registry Number.