Cathelicidin LL-37 hCAP-18 Fragment Peptide

Product Overview

cathelicidin LL-37 hCAP-18 Fragment Peptide is a synthetic cationic short peptide composed of 37 amino acid residues, which is the only cathelicidin family active peptide derived from human body.his product is manufactured via solid-phase peptide synthesis technology, purified by high performance liquid chromatography (HPLC), with strict quality control system throughout the whole production process to guarantee stable batch-to-batch consistency.his product is manufactured via solid-phase peptide synthesis technology, purified by high performance liquid chromatography (HPLC), with strict quality control system throughout the whole production process to guarantee stable batch-to-batch consistency.

Quality Standard Index

High purity grade reduces interference of miscellaneous peptide impurities on experimental data, effectively improving the repeatability and accuracy of cell incubation and microbial inhibition in vitro testsow moisture content effectively avoids peptide chain hydrolysis and degradation during long-term sealed storage, extending the valid shelf life of lyophilized powder.

Product Characteristics & Advantages 

We adopt fully automated solid-phase peptide synthesis equipment for chain assembly, and use multi-step gradient elution HPLC purification to remove truncated peptide fragments, deprotection by-products and other interfering impurities.We adopt fully automated solid-phase peptide synthesis equipment for chain assembly, and use multi-step gradient elution HPLC purification to remove truncated peptide fragments, deprotection by-products and other interfering impurities.Each batch of finished products will be matched with independent HPLC chromatogram and mass spectrometry identification report to verify molecular weight and purity data one by one.All production workshops adopt 100,000-grade clean purification environment, all experimental contacting raw materials are endotoxin-free grade, and multiple endotoxin removal filtration steps are added in the post-treatment stage to meet the strict requirements of immunology cell research.Sealed lyophilized powder stored at -20℃ away from light can maintain stable chemical properties for 24 months, no obvious purity decline or peptide degradation phenomenon occurs within the validity period.

Optional Packaging Specifications 

ll inner packaging containers are made of low adsorption borosilicate glass and food-grade sealed aluminum foil, which will not adsorb peptide powder and cause sample loss.Outer transport package adopts shockproof foam box paired with ice packs for cold chain transportation to avoid high temperature affecting peptide activity during transit.

Storage & Handling Requirements

Long-term storage: Sealed glass vial or aluminum foil bag, stored at -20℃, protected from light and moisture, avoid repeated freeze-thaw cycles.hort-term temporary storage after opening: Sealed tightly at 2–8℃, finish experimental use within 30 days, prevent moisture absorption and impurity contamination.issolution operation suggestion: Use sterile ultrapure water or pH7.2 PBS buffer for dissolution, prepare fresh peptide solution before each experiment, discard unused residual liquid after single use, do not store diluted peptide solution for long time.ransportation condition: Whole cold chain low temperature transportation, avoid direct sunlight and high temperature environment exposure.