20185-30-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20185-30-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,1,8 and 5 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 20185-30:
(7*2)+(6*0)+(5*1)+(4*8)+(3*5)+(2*3)+(1*0)=72
72 % 10 = 2
So 20185-30-2 is a valid CAS Registry Number.