AOD-9604 is a synthetic 16-residue peptide modelled on the C-terminal region (residues 177–191) of human growth hormone, with an added N-terminal tyrosine and a single intramolecular disulfide bridge. Contexx Research supplies AOD-9604 in Canada as a 5 mg lyophilized reference material for in-vitro and analytical research, shipped from Mississauga, Ontario.
AOD-9604 specifications
| Compound | AOD-9604 (Tyr-hGH 177–191) |
|---|---|
| Vial size | 5 mg |
| Form | Lyophilized powder |
| Purity | See lot COA |
| CAS number | 221231-10-3 |
| Molecular formula | C78H123N23O23S2 |
| Molecular weight | 1815.1 g/mol |
| Storage (unopened) | −20 °C, dry, protected from light |
Research overview
AOD-9604 grew out of structure–function work on growth hormone in the 1990s, when researchers set out to separate activities associated with the hormone’s C-terminal domain from those of the full 191-residue protein. Early characterisation work described the synthetic fragment and compared it with intact growth hormone in rodent and isolated-tissue preparations of lipid metabolism [1].
A 2001 study in mice, including β3-adrenergic receptor knockout animals, compared chronic exposure to full-length growth hormone with exposure to the fragment and examined lipid-handling enzymes and β3-adrenergic receptor expression, helping to define how the fragment differs mechanistically from the parent hormone [2].
Analytical chemists have also studied AOD-9604. Cox and colleagues developed LC-MS/MS methods for detecting the peptide and characterised its in-vitro metabolism, identifying the cleavage products formed in biological matrices. That work is a useful reference for laboratories developing identification or stability assays [3].
Selected references
- Ng FM et al. Horm Res. 2000. PubMed 11146367
- Heffernan M et al. Endocrinology. 2001. PubMed 11713213
- Cox HD et al. Drug Test Anal. 2015. PubMed 25208511
Storage and handling
AOD-9604 ships as a lyophilized (freeze-dried) powder. Dry material is far more stable than material in solution, so keep it in its dry, sealed state until you need it.
- Store unopened vials of AOD-9604 at −20 °C, dry and protected from light. Let the vial reach room temperature before opening to limit condensation.
- Prepare stock solutions in a solvent suited to your assay, label them with concentration and date, and keep them at 2–8 °C for short-term use.
- For longer storage of solutions, divide them into single-use aliquots and freeze them; avoid repeated freeze–thaw cycles.
- Handle with gloves and eye protection, following your laboratory’s standard chemical-hygiene practice.
See our guide to storing lyophilized peptides in the lab for more detail.
Quality and testing
Contexx Research independently tests every batch it releases. A lot-specific COA for AOD-9604 isn’t linked on this page yet. For questions about testing, contact info@contexxresearch.ca.
We don’t list purity figures in this description; the lot COA is the reference for identity and purity. Researchers should confirm identity and concentration with their own analytical methods where their protocol requires it.
Frequently asked questions
What’s included when I order AOD-9604 5 mg?
One sealed vial containing 5 mg of AOD-9604 as a lyophilized powder. Reconstitution solution is sold separately.
Does AOD-9604 come with a Certificate of Analysis (COA)?
Every batch Contexx Research releases is independently tested. A lot-specific COA isn’t linked on this page yet; for testing questions, contact info@contexxresearch.ca.
How fast is shipping in Canada?
Orders are processed Monday to Friday, and most orders ship within 24 hours from Mississauga, Ontario, in secure, tamper-evident packaging. Orders placed on Friday afternoon (after the 12:00 PM ET cut-off) ship on Monday, when Canada Post resumes pickup, or on the next business day if Monday is a statutory holiday. Once your order ships, delivery typically takes 1–3 business days in Ontario and Quebec and 2–6 business days in the rest of Canada, and a tracking number is emailed to you. Orders over $250 CAD shipped within Canada qualify for free standard shipping. See our Shipping Policy for details.
How should AOD-9604 be stored?
Store unopened vials at −20 °C, dry and protected from light. After reconstitution, keep solutions at 2–8 °C for short-term use, or freeze single-use aliquots and avoid repeated freeze–thaw cycles.
What does “research use only” mean?
“Research use only” means AOD-9604 is sold only as a reference material for in-vitro laboratory and analytical research by qualified professionals. It is not for use in humans or animals, not for diagnostic use, and not a drug, natural health product, food, supplement or cosmetic.
Research use only
AOD-9604 is sold by Contexx Research Inc. strictly as a reference material for in-vitro laboratory research and analytical use by qualified professionals. It is not a drug, natural health product, food, dietary supplement or cosmetic. It is not intended for use in humans or animals, for diagnostic purposes, or for ingestion or any other form of administration to a living organism. Nothing on this page describes or implies any effect in humans or animals. Purchasers are responsible for handling, storage and disposal in line with applicable laws and their institution’s policies. By ordering, you confirm that you are purchasing for legitimate laboratory research and agree to our Terms and Conditions.

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