Premium Peptides & Research Compounds
SR Peptide is an independent, research-first supplier. Every batch ships with documented HPLC results, ≥99% purity and a downloadable COA — express-delivered worldwide.
Dedicated to Peptide R&D Serving Global Research
SR Peptide is an international company focused on peptide R&D, manufacturing, and supply, with operations in the USA and Hong Kong.
We serve pharmaceutical companies, biotech labs, and research institutions worldwide with high-purity peptides, custom synthesis, and a batch-level Certificate of Analysis on every order.
Advanced synthesis technology and rigorous QC have made us a long-term partner to leading research teams across the globe.
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Complete Quality Analysis Per Batch
We provide a complete Certificate of Analysis (COA) for every batch, including purity testing, molecular weight confirmation, amino acid sequence verification, and other key data.
Customers can query and download the COA report for their specific batch online using the product number, ensuring traceability and reliability of research data.
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Client Testimonials
SR Peptide consistently meets our purity standards. Their custom synthesis is fast — from sequence design to delivery in under two weeks — and the batch COAs are detailed and complete, giving our research reliable data support.
As R&D director at a pharmaceutical company, our QC requirements for suppliers are strict. SR Peptide provides a complete COA with every batch, purity consistently above 98%, and professional OEM support that has saved us significant R&D cost.
We have worked with SR Peptide for over three years and the service has been consistently excellent. Standard or complex modified peptides — quality is always stable, and WhatsApp support answers right away.