305384-25-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 305384-25-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,5,3,8 and 4 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 305384-25:
(8*3)+(7*0)+(6*5)+(5*3)+(4*8)+(3*4)+(2*2)+(1*5)=122
122 % 10 = 2
So 305384-25-2 is a valid CAS Registry Number.