Aapptec Chemical Catalog - Peptides, Amino Acids, Resins and Reagents

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aapptec^™ - Chemical Catalog ^{Order Line: 1-888-692-9111 or +1-502-968-2223}
Fmoc-L-Amino Acids , Fmoc-D-Amino Acids, Fmoc-OPfp Amino Acids, Boc-L-Amino Acids, Boc-D-Amino Acids, Z-Amino Acids, Unusual Amino Acids, Amino Acid Derivatives, N-Methyl Amino Acids, Amino Acid Alcohols, Linkers, Unsubstituted Resins, Fmoc-Amino Acid-Wang Resins, Amino Acid 2-Cl-Trt Resins, MAP Resins, Pseudoproline Dipeptides, Reagents
Structure	Catalog# CAS#	Product	Formula MW	Qty/Price^*
	AFK111 [146982-27-6]	Fmoc-Lys(Aloc)-OH	C₂₅H₂₈N₂O₆ 452.5	5g 25g	$ 65 $ 225
	AFK104 [146987-10-2]	Fmoc-Lys(Biotin)-OH Fmoc-Lys(Biotin)-OH is useful for preparing specifically labeled peptides to use as probes. The biotinylated peptides are detected using labeled avidin or streptavidin which tightly bind to biotin. Because labeled avidin or streptavidin are labeled in multiple sites, the binding of labeled avidin to a biotinylated probe produces an amplified response compared to the direct incorporation of the label into the peptide. Biotinylation can modify the activity of a peptide. Recently, biotinylation of lysine residues in exendin-4 was reported to improve the hypoglycimic effects of the peptide. Significantly, incorporation of Lys(biotin) led to an product that could be taken orally. (Jin, C.H., et al. J. Control Release 2009, 133, 172.)	C₃₁H₃₈N₄O₆S 594.7	1g 5g	$ 250 $ 895
	AFK105 [71989-26-9]	Fmoc-Lys(Boc)-OH Fmoc-Lys(Boc)-OH 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.	C₂₆H₃₂N₂O₆ 468.5	25g 100g	$ 50 $ 185
	AFK150 [951695-85-5]	Fmoc-Lys(Boc,Me)-OH	C₂₇H₃₄N₂O₆ 482.5	500mg 1g	$ 400 $ 650
	AFK135 [146998-27-8]	Fmoc-Lys(Dabcyl)-OH	C₃₆H₃₇N₅O₅ 619.7	1g 5g	$ 225 $ 825
	AFK140 [150629-67-7]	Fmoc-Lys(Dde)-OH	C₃₁H₃₆N₂O₆ 532.6	1g 5g	$ 110 $ 390
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