72972-18-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72972-18-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,9,7 and 2 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 72972-18:
(7*7)+(6*2)+(5*9)+(4*7)+(3*2)+(2*1)+(1*8)=150
150 % 10 = 0
So 72972-18-0 is a valid CAS Registry Number.