54672-17-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54672-17-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,6,7 and 2 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 54672-17:
(7*5)+(6*4)+(5*6)+(4*7)+(3*2)+(2*1)+(1*7)=132
132 % 10 = 2
So 54672-17-2 is a valid CAS Registry Number.