300404-17-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 300404-17-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,0,4,0 and 4 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 300404-17:
(8*3)+(7*0)+(6*0)+(5*4)+(4*0)+(3*4)+(2*1)+(1*7)=65
65 % 10 = 5
So 300404-17-5 is a valid CAS Registry Number.