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Reference sheet · GI / Gut · CPC catalog code EXED-002
This sequence carries terminal or reporter modifications (NH2), so no molecular formula or weight is published here — the modified mass must come from the lot certificate of analysis. Residue composition and charge describe the peptide backbone only. Composition figures above are derived arithmetically from the published sequence for the unmodified free peptide. Salt forms (commonly trifluoroacetate or acetate), amidation, and other modifications shift the observed mass — always reconcile against the current lot certificate of analysis.
Volumes for a 1 mg vial of Exendin (9-39) at common working concentrations. Add solvent slowly down the vial wall and swirl — do not vortex or shake.
Reference standards in the GI / Gut class are typically shipped as lyophilized powder and stored desiccated at −20 °C protected from light. Once reconstituted in bacteriostatic water or the assay-appropriate buffer, aliquot and store at −80 °C to minimize freeze–thaw cycles. Confirm handling requirements against your institutional biosafety and radiation protocols before use.
Exendin (9-39) sits within the GI / Gut research class (CPC reference EXED-002). Gut peptides engage GPCRs on enteroendocrine cells, vagal afferents, and central nuclei, modulating motility, secretion, satiety, and glucose-dependent insulin release. Investigators typically incorporate Exendin (9-39) as a reference standard, tool ligand, or substrate in the assay contexts listed above. cAMP HTRF, in vitro islet insulin secretion, and food-intake models in rodents.
Exendin (9-39) (CPC catalog code EXED-002) is a synthetic gastrointestinal / gut-hormone peptide in the gi / gut category. It is provided as a lyophilized ~1 mg vial for in-vitro research use only.
Published and internal research programs use Exendin (9-39) as a reference standard in gi / gut workflows — for example, incretin (glp-1 / gip) receptor signaling and appetite and satiety-circuit research. Human clinical evidence is not established.
No. Exendin (9-39) is a research-grade reference peptide and is not approved by the FDA or any national regulator for human or veterinary therapeutic use. It is offered exclusively for in-vitro laboratory research and does not ship to the United States for consumer use.
In a gi / gut workflow, Exendin (9-39) is reconstituted in sterile buffer or DMSO (solubility-dependent) and applied in the researcher's chosen assay format. cAMP HTRF, in vitro islet insulin secretion, and food-intake models in rodents.
Other reference standards in the same class — commonly cross-referenced during assay design and comparator selection.