Direct peptide manufacturer committed to purity, precision, and global partnership.
Zenpept is a dedicated peptide synthesis facility with advanced HPLC purification, lyophilization, and strict quality control protocols. We control every step of the manufacturing process — from raw material sourcing to final product packaging.
Our mission is to provide researchers, clinics, and pharmaceutical partners with high-purity, research-grade peptides backed by full transparency. Every batch we ship is accompanied by a detailed Certificate of Analysis (COA) and third-party verification.
With years of experience in peptide chemistry, our team is dedicated to delivering products that meet the highest standards of purity, bioactivity, and consistency.
From synthesis to your lab — every step is controlled and documented.
Solid-phase peptide synthesis using high-quality amino acids and reagents.
Cleavage from resin and removal of side-chain protecting groups.
High-performance liquid chromatography to achieve ≥99% purity.
Freeze-drying to produce stable, sterile peptide powder.
HPLC, mass spectrometry, and endotoxin testing for every batch.
Temperature-controlled packaging with full COA documentation.
Experienced scientists and quality assurance professionals dedicated to excellence.
Our team of peptide chemists and quality control specialists ensures every product meets rigorous purity and bioactivity standards. We combine scientific expertise with a commitment to transparency and customer partnership.
Quality Management System Certified
Every batch tested in-house & by third-party labs
Explore our product catalog or request a quote. We're here to support your research and clinical needs.