54515-76-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54515-76-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,5,1 and 5 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 54515-76:
(7*5)+(6*4)+(5*5)+(4*1)+(3*5)+(2*7)+(1*6)=123
123 % 10 = 3
So 54515-76-3 is a valid CAS Registry Number.