About Stakk
Research-Grade Peptides, Analytically Verified
Stakk supplies research-grade reference peptides to academic institutions, independent investigators, and laboratories worldwide. All products are intended for in-vitro laboratory research use only.
Our Mission
To supply the global research community with reference peptides backed by transparent analytical data and handled with laboratory rigor. Every certificate of analysis, cold pack, and sealed vial exists to support the reproducibility of in-vitro research.
Stakk at a Glance
≥98% Purity
Verified by third-party HPLC and MS analysis
COA Included
Every batch documented with full analytical data
Institutional Accounts
Academic and independent laboratories worldwide
Global Shipping
US, Canada, UK, and Australia
How We Operate
Three operational standards that define each shipment.
Independent Verification
Every lot is analyzed by dual-method HPLC and mass spectrometry before release. Batches that fall below the 98% purity threshold are rejected.
Research-Grade Synthesis
Produced via solid-phase peptide synthesis (SPPS) and supplied as lyophilized powder in sealed vials. Specified for stability and batch-to-batch reproducibility in laboratory workflows.
Cold-Chain Logistics
Temperature-sensitive reference compounds ship with insulated packaging and cold packs at no additional charge. Shipments may be held during extreme weather to preserve material integrity.
Browse the Catalog
Explore our catalog of research-grade reference peptides. Each product includes a batch-specific certificate of analysis and ships under cold-chain protocol when required. For laboratory research use only.
Browse Products