1.

Which of the following is a Sanger’s reagent?(a) 1-fluoro-2, 4-dinitrobenzene(b) 1-fluoro-2, 3-dinitrobenzene(c) 1-fluoro-2, 4-trinitrobenzene(d) 1-fluoro-2, 3-trinitrobenzene

Answer» The correct choice is (a) 1-fluoro-2, 4-dinitrobenzene

For explanation I would say: To identify the amino-terminal amino acid residue, Sanger developed the reagent 1-fluoro-2, 4-dinitrobenzene (FDNB).


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