WHO WE ARE

OUR STORY

Founded in Zhengzhou, China, ZEN-PEPTIDE was established with a clear mission: to provide researchers worldwide with access to high-quality peptides and research compounds manufactured to rigorous standards.

Located in No. 1901, 19th Floor, No. 57 Zijingshan Road, Guancheng Hui District, Zhengzhou City, Henan Province growing biotechnology sector, ZEN-PEPTIDE combines scientific expertise, advanced production technologies, and strict quality-control procedures to support the evolving needs of modern research laboratories. From peptide synthesis and purification to analytical verification and final packaging, every stage of our process is carefully monitored to ensure consistency, purity, and reliability.

WHAT WE DO

Over the years, we have developed a reputation for delivering research-grade products that meet the expectations of academic institutions, laboratories, distributors, and scientific professionals around the world. Our commitment to quality extends beyond manufacturing, encompassing responsive customer support, transparent documentation, and continuous investment in innovation.

ABOUT US

At ZEN-PEPTIDE, we believe that scientific progress begins with dependable materials. That belief drives our dedication to producing peptides and research compounds that researchers can trust for their most demanding projects.

Today, we continues to expand its capabilities while maintaining the core values that define our company: integrity, quality, innovation, and customer satisfaction.

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The Seven-Point Panel

What Every Certificate Covers

Each lot is independently tested before release, and every signed Certificate of Analysis is published online and permanently linked to your account.

HPLC Purity

Reverse-phase chromatography verifies the purity percentage shown on every certificate.

Mass-Spec Identity

Confirms the molecular identity matches exactly what appears on the product label.

Net Peptide Content

Measures the actual peptide quantity contained in every vial.

Endotoxin

Every lot is screened to ensure bacterial endotoxin remains below strict limits.

Appearance

Each vial is visually inspected to confirm it meets specification.

Heavy Metals

Trace heavy metals are analyzed to verify compliance with analytical standards.

Lot Archival

Every batch receives a unique lot ID with its COA securely archived.

Don’t See Your Lot?

Need a Certificate of Analysis before placing your order, or looking for a batch that’s not yet published? Contact us and we’ll send the appropriate COA directly.

Request a COA →