72730-47-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72730-47-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,7,3 and 0 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 72730-47:
(7*7)+(6*2)+(5*7)+(4*3)+(3*0)+(2*4)+(1*7)=123
123 % 10 = 3
So 72730-47-3 is a valid CAS Registry Number.