5304-94-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5304-94-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,3,0 and 4 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 5304-94:
(6*5)+(5*3)+(4*0)+(3*4)+(2*9)+(1*4)=79
79 % 10 = 9
So 5304-94-9 is a valid CAS Registry Number.