Product Overview

Acetyl Tetrapeptide-5 (CAS 820959-17-9), also known as Eyeseryl, is a synthetic peptide known for its high efficacy as a cosmetic active ingredient. As a leading manufacturer and supplier in China, Conscientia Industrial provides premium-grade Acetyl Tetrapeptide-5 with a purity level of ≥98%. This functional raw material is widely used in high-end cosmetic formulations and laboratory R&D due to its excellent water solubility and stable chemical properties.

Technical Specification

• Product Name: Acetyl Tetrapeptide-5

• Trade Name / Synonyms: Eyeseryl

• CAS Number: 820959-17-9

• Sequence: Ac-Ala-His-Ser-His-OH

• Molecular Formula: C20H28N8O7

• Molecular Weight: 492.49

• Appearance: White powder

• Purity (HPLC): ≥98.0%

Why Partner with Conscientia Industrial

• Advanced Peptide Synthesis: We utilize state-of-the-art solid-phase synthesis to ensure precise amino acid sequencing and high batch consistency.

• Strict Quality Control: Every batch of our cosmetic API undergoes rigorous HPLC and MS testing to verify purity and molecular structure.

• Reliable Bulk Supply: We support cosmetic formulators and industrial clients with scalable supply options, from grams to multi-kilogram bulk orders.

• Technical Documentation: Complete support for your formulation process, providing COA, MSDS, and TDS upon request.

Packaging & Storage

• Standard Packaging: 1g, 10g, 100g in vials; 1kg in vacuum-sealed aluminum foil bags.

• Storage Conditions: Store in a cool, dry place at 2-8℃ (short-term) or -20℃ (long-term). Keep container tightly sealed and away from light.

• Shelf Life: 24 months when stored correctly.

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