29972-72-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 29972-72-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,9,7 and 2 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 29972-72:
(7*2)+(6*9)+(5*9)+(4*7)+(3*2)+(2*7)+(1*2)=163
163 % 10 = 3
So 29972-72-3 is a valid CAS Registry Number.