303145-81-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 303145-81-5 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 5 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 303145-81:
(8*3)+(7*0)+(6*3)+(5*1)+(4*4)+(3*5)+(2*8)+(1*1)=95
95 % 10 = 5
So 303145-81-5 is a valid CAS Registry Number.