54972-79-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54972-79-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,9,7 and 2 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 54972-79:
(7*5)+(6*4)+(5*9)+(4*7)+(3*2)+(2*7)+(1*9)=161
161 % 10 = 1
So 54972-79-1 is a valid CAS Registry Number.