72055-03-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72055-03-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,0,5 and 5 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 72055-03:
(7*7)+(6*2)+(5*0)+(4*5)+(3*5)+(2*0)+(1*3)=99
99 % 10 = 9
So 72055-03-9 is a valid CAS Registry Number.