Research-Grade Peptide Supplier

Premium Peptides & Compounds

A research-first platform delivering HPLC-verified purity and a batch-specific COA with every product — documented quality for scientific use.

US Local Delivery 3–5 Days
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Trial packs Benzyl Alcohol 0.9% 10ml Benzyl Alcohol 0.9% 3ml
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99%+Purity
HPLCTested
COAPer batch
GlobalExpress
About Us

Dedicated to Peptide R&D Serving Global Research

XYPeptide is an international peptide company covering product development, manufacturing, and supply, with operations in the USA and Hong Kong.

We deliver high-purity peptide products, custom synthesis services, and comprehensive COA documentation to pharmaceutical companies, biotech labs, and research institutions worldwide.

With advanced synthesis technology and rigorous quality control, we have become a long-term partner for leading research institutions around the world.

Custom Synthesis Quality Certified Global Shipping COA Reports Fast Delivery
COA Certificate
Batch: XYP-2026-001
PASSED
COA Reports Online Query · Instant Download
Quality Assurance

Complete Quality Analysis Per Batch

Every batch ships with a complete Certificate of Analysis — purity testing, molecular weight confirmation, amino acid sequence verification, and other key data.

Query and download the COA for your exact batch online by product number, ensuring full traceability and reliable research data.

Where We Are

Global Service Network

United States

California, USA · PST (UTC-8)
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Hong Kong

Hong Kong SAR, China · HKT (UTC+8)
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Testimonials

Client Testimonials

4.9

XYPeptide's products consistently meet our high purity standards. Their custom synthesis team is highly responsive — from sequence design to delivery in under two weeks — and the COA reports are detailed enough to support our publications.

Dr. Sarah ChenStanford University, Department of Biochemistry
4.8

As R&D director at a pharmaceutical company, I hold suppliers to strict quality standards. XYPeptide provides a complete COA for every batch, with purity consistently above 98%, and their OEM service has saved us significant development cost.

Prof. Michael ZhangGenentech, Senior Research Director
5.0

We have worked with XYPeptide for over three years. Standard peptides or complex modifications — the quality is always stable, and WhatsApp communication means any question gets answered right away.

Dr. Emily LiuChinese Academy of Sciences, Institute of Biophysics