303053-78-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 303053-78-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,3,0,5 and 3 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 303053-78:
(8*3)+(7*0)+(6*3)+(5*0)+(4*5)+(3*3)+(2*7)+(1*8)=93
93 % 10 = 3
So 303053-78-3 is a valid CAS Registry Number.