30831-24-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30831-24-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,8,3 and 1 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 30831-24:
(7*3)+(6*0)+(5*8)+(4*3)+(3*1)+(2*2)+(1*4)=84
84 % 10 = 4
So 30831-24-4 is a valid CAS Registry Number.