Appearance: white to off-white powder
Specific Rotation [20/D]: -11.0±1.5° (c=1 in DMF)
Melting Point: 130~135℃
Moisture: 1.0% max
Fmoc-Lys(Boc)-OH; Nα-Fmoc-Nε-Boc-L-lysine 71989-26-9 has emerged as the standard Fmoc-Lys derivative used in peptide synthesis. The Boc group on the side chain is stable under basic conditions and remains in place even through many Fmoc deprotection cycles. The Boc group of Fmoc-Lys(Boc)-OH is readily removed with trifluoroacetic acid (TFA) during cleavage of the peptide product from Wang resin or Rink amide resin.
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