Hot Products
Quantai specializes in custom peptide synthesis, research peptides, cosmetic peptides, and API-grade peptide manufacturing for global B2B partners.
Single PeptideRetatrutide (5 mg Vial)
This reference covers Retatrutide (5 mg Vial) in vial format: reconstitution steps, the concentration each volume produces, syringe-unit conversions and storage conditions…
Single PeptideTirzepatide (5 mg Vial)
Handling notes for Tirzepatide (5 mg Vial), supplied lyophilized. Covers the reconstitution volume and concentration it yields, U-100 syringe unit equivalents, per-protocol…
Single PeptideGHK-Cu (50 mg Vial)
Handling notes for GHK-Cu (50 mg Vial), supplied lyophilized. Covers the reconstitution volume and concentration it yields, U-100 syringe unit equivalents, per-protocol…
Single PeptideRetatrutide (10 mg Vial)
Handling notes for Retatrutide (10 mg Vial), supplied lyophilized. Covers the reconstitution volume and concentration it yields, U-100 syringe unit equivalents, per-protocol…
Single PeptideTirzepatide (10 mg Vial)
This reference covers Tirzepatide (10 mg Vial) in vial format: reconstitution steps, the concentration each volume produces, syringe-unit conversions and storage conditions…
Single PeptideGHK-Cu (100 mg Vial)
This reference covers GHK-Cu (100 mg Vial) in vial format: reconstitution steps, the concentration each volume produces, syringe-unit conversions and storage conditions…
Single PeptideRetatrutide (20 mg Vial)
Working reference for Retatrutide (20 mg Vial). Reconstitution volume and resulting concentration, dose-to-syringe-unit conversion on a U-100 insulin syringe, consumables per protocol…
Single PeptideTirzepatide (15 mg Vial)
Tirzepatide (15 mg Vial): reconstitution reference for research laboratories. Includes the diluent volume and resulting concentration, syringe-unit conversion, vial and consumable planning,…
Research Areas
Whether you're developing targeted therapies, studying disease mechanisms, or advancing skin science, our expertise in peptide synthesis, modification, and labeling helps bring your research closer to clinical translation.
Explore more peptide applications across infectious diseases, cardiovascular disorders, autoimmune conditions, and more on our full disease area page.
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Our Services
Quantai offers a comprehensive range of peptide services, including screening, design, synthesis, modification, and analysis. Our streamlined solutions are tailored to meet diverse research and development needs.
Our Products
APIs
Quantai supplies peptide solutions used as pharmaceutical agents, API-related research compounds, and development-stage materials.
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Cyclic Peptides
We support custom cyclic peptide synthesis, characterization, modification, and application-oriented development.
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Peptide Inhibitors
Peptide inhibitors offer affinity, specificity, and flexible development value for advanced biological research workflows.
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Antimicrobial Peptides
Functional antimicrobial peptides are available for research, screening, and custom sequence development.
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Cell Penetrating Peptides
Cell-penetrating peptide solutions support intracellular delivery and related scientific research programs.
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MHC-Peptide Tetramer
MHC-peptide tetramer support helps immunology teams with antigen-specific T-cell analysis and discovery.
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Explore our peptide product catalog featuring custom peptides for research, drug development, and more. Synthesis, purification, and modifications available.
About Us
Quantai Co., Ltd. is a Guangzhou-based peptide manufacturer founded in 2003. Backed by a 350+ person team with strong R&D capability, we provide custom peptides, research peptides, cosmetic peptides, and pharma/API-grade peptide solutions for global distributors, research institutions, and B2B buyers across 32 countries and regions.
Our Advantages
Expertise and experience
Cutting-edge technology
Integrated services
Reliable quality systems
Compliance
Customer support
Application of Peptides
Our Customers
