ASSAYED, NOT ASSERTEDResearch-use lot-level COA verification shows measured purity, identity, and release data for sample batch records.See Sample COA->

Batch-documented · COA/HPLC · 90+ SKUs · B2B sourcing

Research materials, batch-documented for qualified sourcing.

Browse 90+ research materials, compare sizes, view order-wide tier pricing, and build a B2B purchase list for qualified procurement review. Product documentation can be matched during buyer follow-up.

Need help choosing products?Chat with us on WhatsApp +14147979739for size, availability and ordering support.

Browse catalog Contact me on WhatsApp

COA support for qualified buyersHPLC purity supportMS identity confirmationOrder-wide tier pricing

HPLC · illustrative sample

BPC-157 · Batch PX-26-A0517

99.62%

CAS137525-51-0

MW1419.55

MS[M+H]+ 1420.6

90+SKUs

COAHPLC/MS

<12hResponse

Quick answer

What is PeptideSource?

PeptideSource is a B2B research material supplier offering 90+ research peptide catalog entries, public SKU pricing, COA/HPLC/MS documentation support, OEM/ODM sourcing, and purchase-list ordering for qualified laboratory, distributor, and bulk procurement buyers.

CAS identity and SKU-size catalog recordsCOA, HPLC, MS, SDS, and storage-document supportOrder-wide tier pricing for repeat B2B procurementOEM/ODM and private-label RFQ support

Popular research materials

High-intent peptide sourcing paths.

Start from products buyers already compare by CAS identity, COA availability, HPLC/MS documentation, bulk sourcing, and B2B purchase-list fit.

View full catalog ->

Buy Tirzepatide Research Peptide with COACAS 2023788-19-2CAS 2023788-19-2 · COA/HPLC/MS sourcing support Semaglutide Research Peptide SupplierCAS 910463-68-2CAS 910463-68-2 · GLP-1 research procurement Cagrilintide COA SupplierCAS 1415456-99-3Certificate of analysis and batch-document review Cagrisema Bulk Research SourcingCagrilintide + SemaglutideCombination research material · SKU and COA support Retatrutide Research PeptideCAS 2381089-83-2GLP-1/GIP/glucagon research sourcing BPC-157 Research Peptide with COA SupportCAS 137525-51-0Repair peptide category · quality-document follow-up

90+SKUs

COAHPLC/MS

<12hResponse

Buyer confidence

Documents are available before qualified follow-up.

Product records can be supported with COA, HPLC purity data, MS identity confirmation, SDS, and storage notes. You can browse and build a list first, then request the document packet when needed.

Quality you can verify

COA, HPLC, and MS support for qualified review.

Full batch documents are shared with qualified buyers on request. The storefront stays public for browsing and pricing; the document packet is handled through buyer follow-up.

View sample COA index →

Certificate of Analysis

Batch-specific certificates available for qualified review.

HPLC purity data

Chromatogram support for purity verification.

MS identity confirmation

Mass-spec confirmation supports product identity.

SDS and storage notes

Safety and handling documents available on request.

PRODUCT CATEGORIES