303798-07-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 303798-07-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,3,7,9 and 8 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 303798-07:
(8*3)+(7*0)+(6*3)+(5*7)+(4*9)+(3*8)+(2*0)+(1*7)=144
144 % 10 = 4
So 303798-07-4 is a valid CAS Registry Number.