47504-28-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 47504-28-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,7,5,0 and 4 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 47504-28:
(7*4)+(6*7)+(5*5)+(4*0)+(3*4)+(2*2)+(1*8)=119
119 % 10 = 9
So 47504-28-9 is a valid CAS Registry Number.