339303-93-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 339303-93-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,9,3,0 and 3 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 339303-93:
(8*3)+(7*3)+(6*9)+(5*3)+(4*0)+(3*3)+(2*9)+(1*3)=144
144 % 10 = 4
So 339303-93-4 is a valid CAS Registry Number.