Precision Peptide Synthesis & Research Compounds
Yunxi International Biotechnology supplies laboratory-certified peptides including the complete Tirzepatide series (5mg to 120mg). Every batch is validated with analytical RP-HPLC purity profiles and authenticated Certificates of Analysis (COA).

Tirzepatide Dual Agonist Series
Analytical Purity (≥99.0%)
RP-HPLC & Mass Spectrometry
Individual Batch COA
Authorized QC test records
Lyophilized Sterile Vials
Aluminum crimp-sealed vials
B2B Logistics & Support
Prompt WhatsApp/WeChat desk
Primary B2B Research Series & Molecule Families
Each generic peptide series is manufactured to strict analytical purity standards with comprehensive Certificate of Analysis (COA) and RP-HPLC profiles. Select a series to view full molecular specifications and all available vial configurations.

Tirzepatide Research Standards
Dual GIP & GLP-1 receptor agonist research grade compound. Supplied in 5mg to 120mg sterile lyophilized vials.

Retatrutide Triple Agonist Series
Next-generation triple agonist (GLP-1/GIP/GCGR) research peptide. Validated RP-HPLC purity profiles.

Semaglutide Analytical Grade
High-affinity selective GLP-1 receptor agonist standard for metabolic biochemical research.

BPC-157 Protection Compound
Stable 15-amino acid synthetic gastric pentadecapeptide fragment for analytical tissue regeneration models.

TB-500 (Thymosin Beta-4 Fragment)
High-purity synthetic domain of thymosin beta-4 active peptide. Lyophilized under inert nitrogen purge.

NAD+ (Nicotinamide Coenzyme)
Oxidized nicotinamide adenine dinucleotide research standard for mitochondrial biology and sirtuin activation.

GHK-Cu (Copper Tripeptide-1)
Deep-blue crystalline copper peptide complex. HPLC and atomic absorption spectroscopy certified.

Tesamorelin Growth Hormone Standard
Synthetic peptide with trans-3-hexenoic acid moiety. Growth hormone releasing hormone receptor standard.

HGH 191AA (Somatropin Sequence)
Full-length 191 amino acid recombinant human sequence analytical standard for hormonal research.

MOTS-c Mitochondrial Peptide
16-amino acid mitochondrial open reading frame of the 12S rRNA-c peptide for metabolic signaling research.

Epithalon (Epithalamin Tetrapeptide)
Ala-Glu-Asp-Gly synthetic pineal tetrapeptide for cellular aging and telomere analytical models.

CJC-1295 Peptide Synthesis Series
Modified growth hormone releasing factor available both with DAC and without DAC configurations.
Looking for Custom Peptides, Kilogram Scale or Special Formulations?
Yunxi International Biotechnology provides custom milligram to kilogram synthesis, sequence modifications, fluorophore labeling, and batch-dedicated analytical documentation.
Require Bulk Scale or Custom Peptide Sequences?
We supply gram to kilogram quantities, custom lyophilization, and cold-chain door-to-door delivery worldwide. Connect with our Guangzhou sales desk directly.