Custom Peptide synthesis
Advanced Peptide Modifications & Conjugation Expertise
Yifan Biopharma provides comprehensive and highly personalized peptide synthesis solutions for life science research and innovative drug development with superior technical strength and excellent scientific research experience.
With cutting-edge synthesis equipment and an experienced professional chemistry team, we are committed to meeting the diverse needs of our customers for high-quality, high-purity peptide products in biomedicine and drug discovery research through flexible customized services such as peptide modification, peptide conjugate synthesis and peptide customization, and becoming a reliable partner to promote life science innovation.
Chemical modifications for your Peptides
Peptide Purity Levels – Applications at a Glance
To determine the appropriate peptide purity for your project, please reference the table below.
≥ 70 % Purity (Immuno-Grade)
Ideal starting point for cost-effective, high-throughput applications
≥ 80 % Purity (Research-Grade)
Perfect for early discovery and non-quantitative biochemical work
≥ 95 % Purity (High-Purity Research & Assay Grade)
Designed for sensitive, quantitative, and reproducible studies
≥ 98 % Purity (Ultra-High Purity / GMP-like)
The gold standard for advanced research, development, and clinical use
Services tailored to your needs
Non-GMP synthesis to the required scale and purity levels
Yifan Biopharma offers non-GMP synthesis from 5 mg to 100 g, delivering materials at the scale you need with purity levels ranging from 80% to 98%.
Chemical modifications according to customer specifications
Customized chemical modifications, including biotinylation, clickable and dye‑labeled Peptides, diverse cyclization strategies, PEGylation, branching, and stabilizing modifications such as TFA removal to HCl, acetate, sodium, or ammonium.
Analytical services
Analytical services include standard QC release testing using HPLC and MALDI‑MS, supported by an extended portfolio of advanced analyses such as net Peptide content (AAA, CHN), water and acid content, counter ion content, ESI‑MS/MS and endotoxin analysis.
Documentation
Our documentation package includes a standard Technical Data Sheet (TDS) with QC results, as well as additional documentation such as TSE certificates and a Medical Device File which can be provided upon request.
Aliquoting
Precise aliquoting starting at 0.5 mg per vial with a +/- 2% accuracy to ensure consistent sample handling.