72118-03-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72118-03-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,1,1 and 8 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 72118-03:
(7*7)+(6*2)+(5*1)+(4*1)+(3*8)+(2*0)+(1*3)=97
97 % 10 = 7
So 72118-03-7 is a valid CAS Registry Number.