303134-16-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 303134-16-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,3,1,3 and 4 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 303134-16:
(8*3)+(7*0)+(6*3)+(5*1)+(4*3)+(3*4)+(2*1)+(1*6)=79
79 % 10 = 9
So 303134-16-9 is a valid CAS Registry Number.