303148-71-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 303148-71-2 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 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 303148-71:
(8*3)+(7*0)+(6*3)+(5*1)+(4*4)+(3*8)+(2*7)+(1*1)=102
102 % 10 = 2
So 303148-71-2 is a valid CAS Registry Number.