EXHIBIT 21.1

SUBSIDIARIES OF CTD HOLDINGS, INC.

The following represents a list of CTD Holdings, Inc.’s subsidiaries:

Name	Ownership			State of Incorporation
NanoSonic Products, Inc.		100.00	%		Florida
Cyclodextrin Technologies Development, Inc.		100.00	%		Florida
Ferrazo Environmental Technologies, Inc.		100.00	%		Florida
Sphingo Biotechnology, Inc.		100.00	%		Florida