72997-49-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72997-49-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,9,9 and 7 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 72997-49:
(7*7)+(6*2)+(5*9)+(4*9)+(3*7)+(2*4)+(1*9)=180
180 % 10 = 0
So 72997-49-0 is a valid CAS Registry Number.