Description

Tetrapeptide-21 is a high-purity, synthetic peptide sequence designed for advanced biochemical and cosmetic applications. Its specific molecular structure offers targeted bioactivity, making it a valuable ingredient for research and product development. This compound is primarily utilized by manufacturers in the cosmetic, pharmaceutical, and life science research industries seeking innovative active ingredients.

Application

• Cosmetic & Skincare Formulations: As a key active ingredient in anti-aging serums, creams, and lotions for its potential skin-rejuvenating properties.
• Biomedical Research: Used as a biochemical tool in cell signaling studies, enzyme inhibition assays, and proteomics research.
• Pharmaceutical Development: Serves as a precursor or intermediate in the development of novel peptide-based therapeutics.
• Hair Care Products: Incorporated into shampoos, conditioners, and treatments for potential scalp and hair follicle benefits.
• Nutraceuticals: Explored for inclusion in advanced dietary supplements targeting specific metabolic pathways.

Basic Information

Product Name	Tetrapeptide-21
CAS No.	960608-17-7
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Palmitoyl Tetrapeptide-21; Pal-GHK-Cu (Copper Tripeptide-1) derivative; Anti-aging peptide 21; Cosmetic peptide 21; Skin-repairing tetrapeptide; GHK-Cu palmitoyl tetrapeptide; Lipotripeptide-21; Palmitoyl oligopeptide
EINECS	Contact for details

Quality Control

Our Tetrapeptide-21 is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets high-grade specifications suitable for cosmetic and research applications. Certificates of Analysis (COA) are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry conditions to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC/MS)	Conforms
Assay (HPLC)	≥ 95.0%
Related Substances (HPLC)	≤ 5.0% total
Water Content (KF)	≤ 5.0%
Residual Solvents (GC)	Meets ICH guidelines
Heavy Metals	< 20 ppm
Microbiological Count	< 1000 CFU/g

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.