54717-94-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54717-94-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,7,1 and 7 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 54717-94:
(7*5)+(6*4)+(5*7)+(4*1)+(3*7)+(2*9)+(1*4)=141
141 % 10 = 1
So 54717-94-1 is a valid CAS Registry Number.