72251-83-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72251-83-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,2,5 and 1 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 72251-83:
(7*7)+(6*2)+(5*2)+(4*5)+(3*1)+(2*8)+(1*3)=113
113 % 10 = 3
So 72251-83-3 is a valid CAS Registry Number.