304673-71-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 304673-71-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,4,6,7 and 3 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 304673-71:
(8*3)+(7*0)+(6*4)+(5*6)+(4*7)+(3*3)+(2*7)+(1*1)=130
130 % 10 = 0
So 304673-71-0 is a valid CAS Registry Number.