Purity

99.4%

Vial

3 mL × 10

Lot

GPB-4502

Dermal · CAS 89030-95-5

GHK-Cu

Skin Hair Cell Repair

The pre-filled pen range Ask GpharmaBio for a vial quote

UK & Europe Next-Day Delivery — Order before 1pm.Worldwide Delivery — Estimated delivery within 5–10 days.

The certificate for lot GPB-4502 is published in full further down this page.

Supplied in sealed boxes of 10 vials, one lot to a box. Single vials are not broken out of a box.

Primary sequence

GlyHisLys · Cu(II)

Physical data

Molecular formula: C₁₄H₂₄CuN₆O₄
Molecular weight: 403.93 g/mol
CAS number: 89030-95-5
Appearance: Deep blue crystalline powder
Solubility: Freely soluble in water; avoid chelating buffers
Storage: Lyophilised: 2–8 °C, protected from light

Certificate of analysis

Lot GPB-4502, in full.

Published here. Nothing to request, nothing behind a form.

GpharmaBio

RESEARCH PEPTIDE LAB

part of GBAGROUP

CERTIFICATE OF ANALYSIS

GPB-4502

PRODUCT: GHK-Cu
FILL: 50 mg / 3 mL vial · box of 10
SYNTHESISED: 6 Apr 2026
RELEASED: 14 Apr 2026
RETEST: Apr 2028

IDENTITY

CAS NUMBER: 89030-95-5
MOLECULAR FORMULA: C₁₄H₂₄CuN₆O₄
MOLECULAR WEIGHT: 403.93 g/mol

RP-HPLC, C18 2.7 µm 150 × 4.6 mm · 0.1% TFA / MeCN, 5–65% over 30 min · 1.0 mL/min · DAD 214 nm

Analytical purity scaleRP-HPLC area @ 214 nm

99.4%

Measured, this lot

High purity

Release specification ≥ 98.0%

99.4%

9596979899100

Red rule marks the house release limit. This lot sits 1.4 points above it. Area percent cannot see anything without a chromophore at 214 nm, which is why moisture, counterion and net peptide content are reported separately below.

TEST	RESULT, THIS LOT
RP-HPLC purity	99.4% area @ 214 nm
Copper content (ICP-MS)	15.4% w/w — 0.98 mol Cu/mol
Identity (ESI-MS)	404.1 [M+H]⁺
Water (Karl Fischer)	2.2%
Heavy metals (ex-Cu)	< 8 ppm
Bacterial endotoxin	< 0.10 EU/mg (LAL)

Security code

WZXK-9T7M

Verified by AUTHENTIX®

This is the sheet for the lot on the shelf — not a representative document. If the lot number moves on before you order, the page moves with it.

Handling

Do not combine with EDTA or citrate buffers — both strip the copper.
Photosensitive; keep in the amber outer box.
Solutions hold colour ~30 days at 2–8 °C.

For laboratory research use only. Not for human or veterinary consumption, diagnostic or therapeutic use.

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