D-Canavanine sulfate is the sulfate salt form of D-canavanine, a non-proteinogenic amino acid analog structurally related to arginine with a substituted guanidino-bearing side chain. The molecule contains a free amino group and a carboxyl group on the amino acid backbone and bears a stereochemically defined D-configuration at the α-carbon as indicated by the D-prefix, while the sulfate counterion associates ionically with the basic side chain to form the salt. This salt form is used in chemical biology and peptide-related studies where an arginine-mimicking amino acid analog is required for substrate testing, incorporation experiments, or analytical method development involving labeled or structurally perturbed amino acid residues.
CAT No: CP04903
D-Canavanine sulfate is a D-configured amino acid analog of L-canavanine in which the side chain bears an additional amino functionality, enabling strong hydrogen-bonding and salt formation. The molecule contains a free amino group and a carboxylate/acid functionality depending on protonation state, and the sulfate counterion increases water solubility while influencing ion-pair behavior in solution and during ion-exchange separations. As a chiral amino acid with a defined stereocenter at the alpha carbon, D-Canavanine sulfate functions as a stereochemically defined building block for amino acid derivatization and for preparing analogs that probe amino acid recognition. The guanidino-like reactivity profile of the side-chain amino group supports nucleophilic substitution and conversion to protected derivatives for downstream coupling chemistry.
1. Peptide Synthesis
D-Canavanine sulfate is applied in peptide synthesis research as a chiral amino acid analog for assembling peptide sequences that incorporate D-configured side-chain functionality. The alpha-amino and carboxylate groups can be converted into protected amino acid forms suitable for peptide coupling, while the side-chain amino group can be protected to prevent undesired reactions during amide bond formation. Sulfate salt formation can be leveraged to control solubility during intermediate handling, and subsequent conversion to an activated carboxyl derivative enables incorporation into peptide building block workflows. Downstream peptide analogs can be used to examine how D-amino acid stereochemistry and side-chain amino patterning affect backbone conformation and coupling compatibility.
2. Chemical Biology Probes
D-Canavanine sulfate serves as a chemical biology reagent for studying amino acid transport, substrate recognition, and enzyme selectivity in systems that discriminate between stereochemical and side-chain features. The D-configuration and the additional side-chain amino group provide a structural handle for testing recognition motifs, while the salt form supports reproducible behavior in aqueous assay conditions and analytical workflows. Derivatization of the side-chain amino group into protected or labeled derivatives can be used to generate probes for target engagement studies and for mapping uptake or binding preferences. The resulting D-canavanine-based reagents support mechanistic investigations in amino acid chemistry and biochemical research intermediate development.
3. Amino Acid Derivatization
D-Canavanine sulfate is used for amino acid derivatization and protected amino acid synthesis where the side-chain amino group is selectively protected to enable controlled functional group transformations. The presence of both an alpha-amino functionality and a carboxyl group supports conversion into N-protected derivatives and activated ester or acid forms for downstream synthetic chemistry. Sulfate counterion behavior can be exploited during purification and salt-form screening to manage crystallization and ion-exchange separation of intermediates. Prepared derivatives can then be employed to generate C-terminal modifications, side-chain-functionalized analogs, and chiral intermediates for fine chemical synthesis and peptide construction.
4. Analytical Standards And Labeling
D-Canavanine sulfate is suitable for analytical research as a stereochemically defined amino acid standard and as a precursor for isotope-labeling strategies. The defined D-stereocenter and the strongly ionizable side-chain amino group improve detectability by LC-MS and ion-based analytical methods after appropriate derivatization or direct analysis as a salt. Conversion to protected forms can facilitate derivatization chemistry for chromatographic method development and for generating stable standards used in metabolite profiling or method validation. Labeled or derivatized D-canavanine analogs can serve as internal standards or tracer molecules in biochemical research and amino acid metabolism studies.
5. Pharmaceutical Intermediate Preparation
D-Canavanine sulfate is applied in pharmaceutical intermediate preparation where amino acid analog scaffolds are converted into protected, coupling-ready forms for medicinal chemistry and process chemistry routes. The alpha-amino/carboxyl framework enables transformation into N-protected amino acid derivatives and activated carboxyl intermediates compatible with amide coupling and peptide-like scaffold assembly. Side-chain amino functionality can be managed through protecting-group strategies to support selective functionalization and to generate downstream building blocks for peptidomimetic construction. Manufacturing-oriented workflows can use the sulfate salt to improve handling and solubility during intermediate preparation prior to conversion into coupling-grade reagents.
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