73304-17-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73304-17-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,3,0 and 4 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 73304-17:
(7*7)+(6*3)+(5*3)+(4*0)+(3*4)+(2*1)+(1*7)=103
103 % 10 = 3
So 73304-17-3 is a valid CAS Registry Number.