1. Core Product Specifications

Product Name: AHK-Cu
English Name: AHK-Cu / Copper Tripeptide-3
CAS No.: 682809-81-0
Full Name: [N2-(N-Alanyl-L-histidyl)-L-lysine] copper hydrochloride
Peptide Type: Synthetic tripeptide copper complex, active cosmetic peptide, tissue repair regulatory peptide, scientific research biochemical reagent
Molecular Formula: C??H??ClCuN?O?
Molecular Weight: 451.39 Da
Appearance: Fine blue crystalline powder, uniform texture, non-caking, odorless with ultra-low impurities
Purity: ≥98.0% (HPLC, research grade / cosmetic grade)
Form: Hydrochloride salt (mainstream stable commercial specification)
Moisture Content: ≤2.0%
Heavy Metals: ≤10ppm
Endotoxin: ≤0.1EU/mg
Residue on Ignition: ≤0.1%
Solubility: Freely soluble in pure water and normal saline with excellent water solubility. The dissolved solution is bright blue, stable and free of precipitation or turbidity
Transport Condition: Sealed and light-proof transportation at room temperature, avoid high temperature and direct sunlight
Storage Condition: Long-term storage of dry powder at -20℃ in sealed, dry and dark environment; short-term storage at 2–8℃ within 1–2 weeks. Aliquot the dissolved solution and strictly avoid repeated freeze-thaw cycles to prevent deactivation of copper complex structure
Production Technology: Standard solid-phase peptide synthesis (SPPS), precise tripeptide sequence assembly, site-specific copper ion complexation, multi-stage high-precision HPLC purification, low-temperature vacuum freeze-drying activity locking technology
Core Bioactivity: Promote collagen and elastin synthesis, repair skin barrier, anti-oxidation and anti-inflammation, regulate hair follicle metabolism, accelerate tissue repair, delay cellular aging
Shelf Life: 24 months for sealed dry powder stored at -20℃ under standard conditions
Usage Restriction: For scientific research, biochemical experiments and cosmetic raw material R&D only. Strictly prohibited for human clinical treatment and illegal use