Professional Peptide
Custom Synthesis
From milligram to gram scale, from standard sequences to complex modifications — one-stop custom peptide synthesis with advanced SPPS technology and rigorous QC.
Our Advantages
10+ years of peptide synthesis experience, serving 500+ research institutions and pharmaceutical companies worldwide
Advanced Synthesis Technology
Using SPPS and liquid-phase synthesis, supporting sequences up to 100+ amino acids with coupling efficiency exceeding 99.5%.
Rigorous Quality Control
Every batch undergoes dual HPLC and MS verification. Purity reports and molecular weight confirmation are provided with each shipment.
Fast Turnaround
Standard peptides delivered in 5–10 business days; complex modified peptides in 2–3 weeks. Rush orders supported — as fast as 72 hours.
Flexible Scale Options
From milligram research samples to gram-scale production. Multiple salt forms, purity grades, and packaging options available.
Expert Technical Support
Senior peptide chemists provide one-on-one consultation for sequence design, modification optimization, and solubility assessment.
Global Logistics
Dual warehouses in USA and Hong Kong. Ambient, refrigerated, and frozen shipping available. Full tracking to labs worldwide.
Custom Synthesis Workflow
Standardized process ensures every project progresses efficiently — fully traceable from inquiry to delivery
Requirements Consultation
Client provides target sequence, purity requirements, scale, and application. Our technical team conducts feasibility assessment.
Proposal Design
Senior chemists design the synthesis route, evaluate modification strategies, and provide a quotation with estimated delivery timeline.
Contract Confirmation
Both parties confirm the technical plan, pricing, and delivery schedule. NDA signed to protect client intellectual property.
Synthesis & Production
Peptide synthesis performed in GMP-standard laboratory with real-time monitoring of reaction progress and coupling efficiency.
Quality Testing
HPLC purity analysis, mass spectrometry molecular weight confirmation, amino acid sequence verification, and other quality tests completed.
Delivery & Reporting
Complete COA report, MS spectra, HPLC chromatograms, and usage recommendations provided with shipment. Ongoing technical support available.
Service Scope
Full-chain peptide synthesis services — from basic research to industrial production
Linear Peptide Synthesis
- 2–100 amino acid sequences
- Standard solid-phase synthesis
- Multiple salt forms available
- Purity 95%–99%+
Cyclic Peptides
- Disulfide bond cyclization
- Head-to-tail cyclization
- Side-chain cyclization
- Stapled peptide synthesis
Modified Peptides
- Fluorescent labeling (FITC, TAMRA)
- Biotin labeling
- Phosphorylation
- Acetylation / Amidation
Conjugation Services
- Peptide-protein conjugation
- KLH/BSA carrier conjugation
- PEG modification
- Liposome encapsulation
Unnatural Amino Acids
- D-amino acids
- Non-natural amino acids
- Isotope labeling
- N-methylated amino acids
Scale-up Production
- Milligram research samples
- Gram-scale pilot production
- Hundred-gram batch synthesis
- Process transfer support
Rigorous Quality
Control System
We have established a comprehensive quality management system with strict standards at every stage from raw material procurement to finished product delivery. All products come with a complete COA including HPLC purity chromatograms, MS molecular weight confirmation, and amino acid sequence verification.
HPLC System
Purity testing & impurity analysis
LC-MS/MS
Molecular weight & sequence verification
MALDI-TOF
Precise molecular weight determination
Automated Synthesizer
High-throughput parallel synthesis
Lyophilization System
Product stabilization processing
NMR Spectroscopy
Structural confirmation analysis
Case Studies
Serving 500+ clients across pharma, research, diagnostics, and cosmetics sectors
GLP-1 Receptor Agonist Custom Synthesis
Custom synthesis of a Tirzepatide analog series for an international pharmaceutical company — 12 variants at milligram scale, all achieving purity ≥ 98.5%, advancing their diabetes drug pipeline.
Neuroprotective Peptide Library
Built a screening library of 50 Selank/Semax derivatives for a Stanford University neuroscience lab, supporting their cognitive disorder therapeutic target discovery research.
Cosmetic Peptide Scale-up Production
Gram-scale batch production of GHK-Cu and Snap-8 for a leading skincare brand. Established a stable process route with monthly capacity of 500g to support continuous product line supply.
Antigen Peptide–Carrier Protein Conjugation
Completed conjugation of 8 tumor marker antigen peptides with KLH/BSA for an IVD company, used for antibody development and immunoassay kit manufacturing.
Start Your Custom Project
Whether you need standard sequence synthesis or complex modified peptides, our technical team is ready to support you. Send your requirements via WhatsApp and we'll respond within 24 hours.