72713-76-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72713-76-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,7,1 and 3 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 72713-76:
(7*7)+(6*2)+(5*7)+(4*1)+(3*3)+(2*7)+(1*6)=129
129 % 10 = 9
So 72713-76-9 is a valid CAS Registry Number.