903566-73-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 903566-73-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,3,5,6 and 6 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 903566-73:
(8*9)+(7*0)+(6*3)+(5*5)+(4*6)+(3*6)+(2*7)+(1*3)=174
174 % 10 = 4
So 903566-73-4 is a valid CAS Registry Number.