23384-84-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23384-84-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,3,8 and 4 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 23384-84:
(7*2)+(6*3)+(5*3)+(4*8)+(3*4)+(2*8)+(1*4)=111
111 % 10 = 1
So 23384-84-1 is a valid CAS Registry Number.