Certificate of Analysis

Product Name

AHK-Cu

Lot No.

3132020

Report Date

09 June 2026

Storage

2–8°C, protect from light, keep dry

Sequence

Ala-His-Lys

Modifications

C-terminal

Test Results

Test Item	Specification	Result
Appearance	Blue to blue-violet lyophilized powder	Conforms
Molecular Weight (MS)	389.9 ±1 Da	390.8 Da
Purity (HPLC)	>98%	99.5%
Retention Time (HPLC)	+0.2 min of standard	Conforms
Copper Content	14.0–18.0%	15.2%
Free Peptide (AHK)	≤0.5%	0.14%
Related Substances (HPLC)	≤1.0% each / ≤2.0% total	0.36%
Solubility	Freely Soluble in Water	Conforms
Acetic Acid Content	≤5000 ppm	1020 ppm
TFA Content	≤50 ppm	9 ppm
DCM Content	≤50 ppm	N.D.
DMF Content	≤100 ppm	N.D.
Total Aerobic Count	≤100 CFU/g	<10 CFU/g
Yeast & Molds Count	≤10 CFU/g	<10 CFU/g
Endotoxins	≤0.5 EU/mg	<0.05 EU/mg

For Research Use Only — Not for Human Consumption