TABLE 2.

In vitro cytotoxicity of chitosan derivatives (2a-2j) on normal cells.

Compd. No	MCF-10A	MRC5
—	IC50 (µM)	IC50 (µM)
2a	65.62	60.53
2b	72.04	75.35
2c	71.51	73.03
2d	54.16	50.37
2e	62.08	67.59
2f	56.80	51.11
2g	74.62	70.23
2h	86.5	80.84
2i	69.04	58.95
2j	52.46	61.27

Each compound was tested in triplicate. All error bars represent mean ± SD from three independent experiments.