For research purposes only
Research Library
Documentation on compound structure, mechanisms, analytical verification, and the research peptide market. Every article cites peer-reviewed literature and is written for research use only.
What Is GLP-2-T? Tirzepatide Naming, the GLP-2 Label Collision, and Dual-Agonist Pharmacology
GLP-2-T is a research-market label for tirzepatide, a synthetic dual GIP and GLP-1 receptor co-agonist (C₂₂₅H₃₄₈N₄₈O₆₈, 4813.5 g/mol, CAS 2023788-19-2). It has nothing to do with the intestinal hormone GLP-2. Where the label came from, why it collides with real hormone nomenclature, and what the receptor pharmacology actually is. For research purposes only.
Amino Asylum Alternative: Straight Talk for Researchers (2026)
Amino Asylum went offline in June 2025 and never came back. Here's what to demand from a replacement supplier, and how Cowboy Chems documents every batch. For research purposes only.
Amino Asylum Shut Down: What Actually Happened in June 2025
Amino Asylum went offline in June 2025 amid widely reported but unconfirmed community accounts of a federal enforcement action. Here's what's reported, what's confirmed, and what the site shows now.
Snap-8: Molecular Structure and Research Overview
A research overview of Snap-8, an acetylated octapeptide studied for its interaction with SNARE-complex machinery in neuromuscular signaling research models. Covers molecular structure, mechanism of interest, and how it relates to shorter acetyl hexapeptide analogs. For research purposes only.
Cagrilintide: Molecular Structure, Amylin Receptor Pharmacology, and Metabolic Research Overview
A research overview of Cagrilintide, a synthetic long-acting amylin analog studied for its activity at the amylin receptor complex and its role in metabolic signaling research. Covers molecular structure, receptor pharmacology, and how it compares to GLP-1 class compounds. For research purposes only.
GHK-Cu (Copper Tripeptide): Molecular Structure, Copper Coordination, and Tissue-Repair Research Overview
A research overview of GHK-Cu, an endogenous copper-binding tripeptide studied for its activity in fibroblast biology, antioxidant enzyme pathways, and tissue-repair research models. Covers molecular structure, copper coordination chemistry, and how it differs from other healing-category research compounds. For research purposes only.
Retatrutide: Molecular Structure, Triple-Agonist Pharmacology, and Research Overview
A research overview of Retatrutide, a synthetic triple-agonist peptide studied for its simultaneous activity at GLP-1, GIP, and glucagon receptors — representing a distinct pharmacological profile from single- and dual-agonist compounds in the incretin class. For research purposes only.
Third-Party Peptide Testing Explained: What HPLC, Mass Spectrometry, and Endotoxin Panels Verify
A researcher's guide to the three core analytical methods that define research-grade quality — what each test actually measures, how to read what it tells you, and what it means when a supplier skips one.
98% vs 99% Peptide Purity: Does the Difference Actually Matter?
One percentage point separates common research-grade purity specifications, and it costs real money. What that gap represents in practice, when it changes experimental outcomes, and when paying for it is wasted.
Where BPC-157 Sits Among Tissue Repair Research Peptides
BPC-157, TB-500, and GHK-Cu get grouped together as repair-research compounds, but they are structurally unrelated and act on different cellular processes. A map of the category, what separates each mechanism class, and why the grouping is a research-area label rather than a shared mechanism. For research purposes only.
What a COA Does Not Tell You: The Limits of Certificate of Analysis Data
A Certificate of Analysis covers one sample at one moment. What falls outside its scope: vial-to-vial consistency, post-testing handling, sterility, potency, and everything downstream of the lab.
DPP-4 and Why Native GLP-1 Falls Apart So Fast
Native GLP-1 has a circulating half-life of roughly one to two minutes because a single enzyme cuts it two residues in. The enzymology behind that, why position 8 is the whole story, and how analog design works around it. For research purposes only.
The Indicator Turned Red. Now What?
A triggered temperature indicator is a prompt to evaluate, not a verdict. What chemical indicators and electronic loggers each tell you, why mean kinetic temperature is a screening metric rather than proof, and how to work through a thermal record before deciding anything. For research purposes only.
Semax, Selank, and Dihexa: Mapping the Mechanisms Behind Cognitive Research Peptides
A plainspoken comparison of Semax, Selank, and Dihexa — what the published literature says about BDNF modulation, GABA-A allosteric effects, and HGF/c-Met synaptogenesis, and how these three compounds differ as research tools.
GH Secretagogue Peptides: CJC-1295, Ipamorelin, Sermorelin, and Tesamorelin Compared
Straight comparison of GHS peptides — molecular weights, receptor targets, structural modifications, and what the published data says about how each one works in research models.
BPC-157, TB-500, and Epitalon: Origins, Structures, and Research Applications Compared
Three structurally distinct peptides studied in tissue repair and regenerative biology — what makes each one different and what the published science actually shows.
Epitalon, FOXO4-DRI, and GHK-Cu: Three Longevity Peptides, Three Different Targets
A research-focused breakdown of Epitalon, FOXO4-DRI, and GHK-Cu — what each one targets, what the published studies found, and how the three compounds differ as tools for studying cellular aging, senescence, and extracellular matrix remodeling.
GLP-1, GIP, and Dual Agonist Peptides: Receptor Targets, Signaling, and Research Applications
A plainspoken comparison of GLP-1, GIP, and dual GIP/GLP-1 agonist peptides including tirzepatide — what each receptor does, why the tissue distribution matters, and what research models are actually used.
Quality Documentation in Research Peptide Supply: What Separates Real Testing From Theater
A straight look at CLIA certification, GMP compliance claims, and what CoA documentation actually needs to contain for it to be worth trusting. With the Peptide Sciences closure as context.