5013-72-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5013-72-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,0,1 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 5013-72:
(6*5)+(5*0)+(4*1)+(3*3)+(2*7)+(1*2)=59
59 % 10 = 9
So 5013-72-9 is a valid CAS Registry Number.