303142-03-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 303142-03-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,3,1,4 and 2 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 303142-03:
(8*3)+(7*0)+(6*3)+(5*1)+(4*4)+(3*2)+(2*0)+(1*3)=72
72 % 10 = 2
So 303142-03-2 is a valid CAS Registry Number.