N-α-Z-N-ω-tosyl-L-arginine cyclohexylamine salt is an L-arginine-derived, protected amino acid derivative in which the α-amino group is carbobenzyloxy (Z/Cbz) protected and the ω-guanidinium functionality is tosylated (tosyl group attached to the terminal guanidinium), with the carboxyl group present as part of a salt with cyclohexylamine. The molecule therefore bears a protected α-amino moiety (Z), a sulfonamide/guanidinium-tosyl protected side-chain functionality (tosyl), and a carboxylate counterion association that modulates solubility and handling relative to the free amino acid. In peptide synthesis and related chemical biology workflows, this protected arginine analogue functions as a stepwise building block that can be incorporated into protected peptide intermediates while the Z and tosyl groups provide chemoselectivity control by suppressing unprotected nucleophilicity of the α-amino and ω-side-chain during coupling and subsequent transformations.
CAT No: CP00235
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