Description
What it is
AOD-9604 is a synthetic 16-residue peptide corresponding to the C-terminal region of human growth hormone (residues 176-191) with an added N-terminal tyrosine. Sequence YLRIVQCRSVEGSCGF, with a C-terminal amide and a single intramolecular Cys7-Cys14 disulfide bridge. Reported molecular formula C78H123N23O23S2, average mass approximately 1815 g/mol, CAS 221231-10-3. Usually supplied as the acetate salt. It is commonly catalogued as HGH Fragment 176-191.
Research context
The peptide is stocked as a reference reagent for in-vitro studies of lipid and fat-cell metabolism and for analytical method development by qualified laboratory professionals. This refers to laboratory characterisation only, and carries no protocol, indication or claim of effect.
16 studies indexed on PubMed (NIH) for AOD-9604 as of August 2026. A measure of research volume only, not a claim of efficacy.
Handling and storage
Supplied lyophilised in a sealed vial. For laboratory handling the powder is reconstituted with bacteriostatic or sterile water; this is a handling note, not a dose. As a disulfide-bearing peptide it is sensitive to oxidation, so store the lyophilised powder cold and dark, avoid repeated freeze-thaw, and treat any reconstituted material as short-lived and cold-chain dependent.
Testing and quality
Every batch is third-party tested. The certificate of analysis states the salt form, reports HPLC purity with chromatogram and confirms identity by mass spectrometry (expected versus observed mass near 1815), with evidence that the disulfide is correctly formed. Supplied for laboratory research use only. Not for human or animal consumption.
Specification
Frequently asked questions
Research handling and related compounds
New to handling lyophilised material? See our reconstitution guide, the storage and shelf-life guide, and how to read a Certificate of Analysis.
Related research compounds in Metabolic & Fat Loss: 5-Amino-1MQ.




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