vee.
Research workspace
FOR RESEARCH USE ONLY. Not for human consumption. Independent directory — we do not sell peptides.

Peptide merchant directory.

Independent information for a more informed research process.
SOURCE-LINKED DIRECTORY

Research suppliers, in one place.

An initial index of 13 potential suppliers. Not an exhaustive market list, ranking, or endorsement.

13listed merchants

Services are summarized from company websites, checked November 14, 2026. Independent quality, batch COAs, pricing, shipping, and current availability have not been verified. No independently reviewed comparison offers are published.

13 of 13 merchants
Not independently reviewed

AmbioPharm

ambiopharm.com

Custom peptide API development and manufacturing for pharmaceutical and biotech projects.

Strengths
AmbioPharm describes peptide development, manufacturing, and analytical services for research through commercial supply.
Cautions
Project pricing, batch-specific evidence, and detailed purchasing eligibility are not provided.
AI-assisted summary of company sources · not verification
Manufacturing & development
Not independently reviewed

AnaSpec

anaspec.com

Catalog peptides, custom peptide services, and peptide manufacturing.

Strengths
AnaSpec describes catalog peptides, custom synthesis, and GMP peptide manufacturing services.
Cautions
The supplied page gives no project pricing, batch-specific evidence, or detailed buyer eligibility.
AI-assisted summary of company sources · not verification
Catalog & synthesis
Not independently reviewed

Bachem

bachem.com

Peptide development and manufacturing from research synthesis to commercial supply.

Strengths
Bachem describes peptide synthesis and manufacturing with analytical and regulatory support from research through commercial supply.
Cautions
Quotes are project-specific, and the supplied text provides no batch-specific evidence or detailed buyer eligibility.
AI-assisted summary of company sources · not verification
Manufacturing & development
Not independently reviewed

Bio-Synthesis

biosyn.com

Custom peptide synthesis, bioconjugation, analytical support, and scale-up.

Strengths
Bio-Synthesis describes custom peptide synthesis, bioconjugation, analytical testing, and scale-up support.
Cautions
Pricing and batch-specific evidence are absent, and the page assigns experimental design responsibility to researchers.
AI-assisted summary of company sources · not verification
Custom synthesis
Not independently reviewed

Biomatik

biomatik.com

Custom peptide synthesis, modifications, and peptide library services.

Strengths
Biomatik advertises custom peptide synthesis with over 300 modifications and accompanying analytical documentation.
Cautions
Listed prices are starting prices requiring a quote, and no individual batch documentation was supplied.
AI-assisted summary of company sources · not verification
Custom synthesis
Not independently reviewed

CPC Scientific

cpcscientific.com

Research peptide catalog and custom peptide synthesis services.

Strengths
The supplied summary describes a research peptide catalog and custom peptide synthesis services.
Cautions
The source page was not re-read, so pricing, batch evidence, and buyer eligibility remain unknown.
AI-assisted summary of company sources · not verification
Catalog & synthesis
Not independently reviewed

Creative Peptides

creative-peptides.com

Custom peptide synthesis, modifications, and conjugation services.

Strengths
Creative Peptides describes custom synthesis, modification, conjugation, labeling, and manufacturing services.
Cautions
The supplied page provides no project prices, batch-specific evidence, or detailed buyer eligibility.
AI-assisted summary of company sources · not verification
Custom synthesis
Not independently reviewed

GenScript

genscript.com

Custom peptide synthesis with modification and analytical service options.

Strengths
GenScript advertises custom peptide synthesis with over 300 modifications and optional analytical services.
Cautions
Fast-turnaround guarantees have sequence and service restrictions, shipping is excluded, and project pricing and batch evidence are not supplied.
AI-assisted summary of company sources · not verification
Custom synthesis
Not independently reviewed

JPT Peptide Technologies

jpt.com

Peptide pools, libraries, microarrays, and custom peptide technologies.

Strengths
JPT describes custom peptides, pools, libraries, and microarrays across several synthesis scales.
Cautions
Selected catalog prices do not establish custom-project costs, and batch evidence and detailed buyer eligibility are not supplied.
AI-assisted summary of company sources · not verification
Catalog & synthesis
Not independently reviewed

LifeTein

lifetein.com

Custom peptide synthesis, labeled peptides, and peptide modifications.

Strengths
The supplied summary describes custom peptide synthesis, labeled peptides, and peptide modifications.
Cautions
The source page was not re-read, so pricing, batch evidence, and buyer eligibility remain unknown.
AI-assisted summary of company sources · not verification
Custom synthesis
Not independently reviewed

MedChemExpress

medchemexpress.com

Custom peptide synthesis, peptide libraries, and modification services.

Strengths
The supplied summary describes custom peptide synthesis, peptide libraries, and modification services.
Cautions
The source page was not re-read, so pricing, batch evidence, and buyer eligibility remain unknown.
AI-assisted summary of company sources · not verification
Custom synthesis
Not independently reviewed

PolyPeptide Group

polypeptide.com

Peptide API development and manufacturing for pharmaceutical and biotech companies.

Strengths
PolyPeptide describes development and manufacturing of proprietary and generic peptide ingredients for pharmaceutical and biotech companies.
Cautions
The supplied page provides no project pricing, batch-specific evidence, or detailed buyer eligibility.
AI-assisted summary of company sources · not verification
Manufacturing & development
Not independently reviewed

Tocris Bioscience

tocris.com

Catalog of research peptides organized by biological target and research application.

Strengths
The supplied summary describes research peptides organized by biological target and research application.
Cautions
The source page was not re-read, so pricing, batch evidence, and buyer eligibility remain unknown.
AI-assisted summary of company sources · not verification
Catalog peptides

Alphabetical ordering is not a recommendation. No affiliate tracking is added to these source links. Manufacturing and custom-synthesis companies may serve institutional buyers only.

Other places to find suppliers

Biocompare lists custom peptide synthesis services with supplier comparisons and information requests. It includes sponsored listings; inclusion is not independent quality verification.

Browse Biocompare

External directory · laboratory services, not a pharmacy. Confirm current products, documentation, buyer eligibility, and local restrictions with each supplier.