AOD-9604 5mg — HGH Fragment 176-191
Human growth hormone is a 191-amino-acid protein, but not every region does the same job. AOD 9604 5mg is just the last 16 amino acids — the C-terminal fragment from position 176 to 191, with a tyrosine modification. What makes this fragment interesting is what it keeps and what it leaves behind: preclinical research shows it retains the metabolic activity attributed to the C-terminal region without the growth-promoting (somatotropic) effects of the intact hormone.
Specifications
| Sequence | hGH fragment 176-191 with C-terminal tyrosine modification |
| Amino Acids | 16 |
| Molecular Formula | C78H125N23O23S2 |
| Molecular Weight | 1817.12 g/mol |
| CAS Number | 221231-10-3 |
| Form | Lyophilized powder |
| Quantity | 5mg per vial |
The separation of function
Preclinical studies have documented that AOD 9604 5mg does not interact with IGF-1 pathways or the growth hormone receptor in the way full-length HGH does. The fragment’s studied activity is confined to adipose tissue metabolism — lipolytic signaling cascades, fatty acid release, and oxidation rates in fat tissue models. Separately, research has also examined the fragment in chondrocyte proliferation and proteoglycan synthesis in cartilage models, which was an unexpected finding that broadened its experimental utility.
Research applications
- GH fragment structure-activity relationship studies
- Adipose tissue metabolism and lipid oxidation research
- Chondrocyte and proteoglycan synthesis studies
- Comparative analysis of hGH fragments vs full-length hormone
AOD 9604 5mg is Frequently paired with
- Ipamorelin 5mg + CJC-1295 — Body composition research.
Quality and testing
Third-party tested with mass spectrometry identity confirmation of the correct fragment sequence. Batch-specific COAs available.
Storage
- Lyophilized: -20°C for long-term stability
- Reconstituted: 2-8°C, use within 30 days
For laboratory research use only. Not for human or veterinary use.




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