The short version of AOD-9604 fits in a sentence. The long version — which is the one that helps — is below.
This page was last updated on 2025-09-23 and is reviewed periodically as new material appears.
AOD-9604 drew attention in the 1990s and 2000s as a potential anti-obesity agent. Early work explored both injectable and oral routes, which is unusual for a peptide of this size. Animal studies reported changes in fat metabolism without the growth-promoting or insulin-like effects associated with full-length growth hormone. Subsequent human trials produced mixed or modest results, and the compound did not obtain regulatory approval for weight management in major markets. It remains known mainly through research literature, sports anti-doping listings, and non-approved supplement advertising.
AOD-9604 is prohibited in sport by the World Anti-Doping Agency under the peptide hormone class. Its presence in a sample can be detected through mass spectrometry-based methods, although the exact assay depends on the laboratory. In research settings, material is often supplied as a lyophilized powder for reconstitution. Buyers and researchers should note that products labeled AOD-9604 may vary in purity and actual peptide content. Analytical certificates and independent testing are common ways to verify identity, but no global harmonized standard exists for all commercial lots.
AOD-9604 is a synthetic peptide whose sequence is modeled on the C-terminal region of human growth hormone. Published descriptions commonly place it as a modified fragment corresponding to hGH amino acids 176–191, with a tyrosine residue added or retained at the N-terminus to support detection and handling. It is not intact growth hormone and lacks the full receptor-binding architecture of the parent protein. The molecule was developed as a research candidate for metabolic studies rather than as a replacement for growth hormone therapy. Its identity is defined by its amino acid sequence rather than by any single commercial preparation.
In laboratory settings, AOD-9604 is commonly supplied as a lyophilized powder and stored cold to limit degradation. Reconstituted solutions are typically kept refrigerated or frozen, depending on the buffer and concentration, and protected from repeated freeze-thaw cycles. Stability can be influenced by pH, temperature, and the presence of proteases. Purity is usually assessed by high-performance liquid chromatography and mass spectrometry. These practices support reproducibility, but they do not imply safety or efficacy for any human use.
Regulatory status: AOD-9604 is not approved as a therapeutic drug in the United States, European Union, or other major markets. It is listed by the World Anti-Doping Agency as a prohibited substance in sport, specifically under growth hormone fragments. Many jurisdictions restrict its sale for human consumption. Products marketed online may not meet pharmaceutical quality standards. The legal status varies by country and often depends on whether the material is presented as a research chemical, supplement, or drug.
Detection and characterization of AOD-9604 in research and anti-doping settings typically rely on mass spectrometry coupled with liquid chromatography. These methods can identify the peptide by its mass and fragmentation pattern. Immunoassays may also be used in some screening contexts, but they can cross-react with related peptides. Because the molecule is small and may be present at low concentrations, sample preparation and method validation are important. Confirmatory analysis usually requires comparison with a certified reference standard.
| Property | Value | Notes |
|---|---|---|
| Molecular class | Synthetic peptide | Fragment analog of human growth hormone |
| Sequence basis | hGH 176–191 region | Modified C-terminal fragment |
| Common synonyms | AOD-9604; AOD9604; hGH fragment | Research and trade names vary |
| Regulatory status | Not approved as a drug | Prohibited in competitive sport |
| Research code | AOD9604 | Used in scientific and patent literature |
In the scientific literature, AOD-9604 appears in reviews of growth hormone fragments and in discussions of peptide-based metabolic research. Some sources distinguish it from growth hormone itself, while others group it with compounds marketed for weight management. The evidence base is small compared with approved obesity medications. Questions about long-term efficacy and clinical relevance remain open, and independent replication of key findings is limited. Most published reports are early-stage and exploratory.
AOD-9604 is a synthetic peptide modeled on the C-terminal region of human growth hormone. It is often described as hGH fragment 176-191. Research interest arose because it was designed to isolate possible effects on fat metabolism from other actions of growth hormone. It is not a full growth hormone molecule. Its development history includes early laboratory and animal studies followed by human trials. The peptide has been examined in laboratory, animal, and limited human studies.
Several names appear in scientific and commercial settings. AOD9604 and AOD-9604 are development codes used interchangeably, while hGH fragment 176-191 describes the same region. The peptide includes a disulfide bond between two cysteine residues, which helps shape its three-dimensional structure. Different suppliers may provide acetate or other salt forms, and purity can vary. These differences matter because analytical tests and biological assays can respond to the specific form being studied.
Early interest in AOD-9604 centered on whether a fragment of human growth hormone could influence fat metabolism without the broader effects of the full hormone. Cell and animal studies reported changes in fat storage and breakdown. Human trials followed, but the results were not strong enough to secure regulatory approval. The compound remains available for laboratory research, and its clinical potential is still described as uncertain. Studies continue to examine its activity and safety profile.
AOD-9604 is a synthetic peptide that corresponds to a short section of human growth hormone. It is commonly identified as hGH fragment 176-191 because its sequence matches residues at the C-terminal end of the hormone. The molecule contains sixteen amino acids and is made by solid-phase peptide synthesis. Researchers study it for metabolic effects rather than for the growth-promoting actions associated with full human growth hormone. Its small size distinguishes it from the complete 191-amino-acid hormone.
AOD-9604 is a synthetic peptide whose sequence matches the C-terminal fragment of human growth hormone, specifically residues 176 through 191. This region differs from the full hormone in its receptor interactions. The peptide is not a growth hormone secretagogue and does not bind the growth hormone receptor in the same manner. Researchers have examined it for effects on lipid metabolism, but its exact pharmacological profile remains an active area of study.
Development of AOD-9604 began in the 1990s as scientists sought to isolate metabolic effects of growth hormone without its growth-promoting actions. Early laboratory work focused on fat cells and animal models. Several human trials followed, examining changes in body composition and fat mass. Results have been mixed, and the peptide has not progressed to widespread clinical approval. Interest continues in research settings, particularly regarding its mechanism and potential metabolic targets.
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1 November to 1 May 1970 Following the conclusion of Operation Toan Thang III, U.S. and ARVN forces begin Operation Toan Thang IV with largely the same forces and objectives. When the operation concludes on May 1, 1970 14,479 PAVN/VC have been killed for the loss of 685 U.S. killed.
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On 27 May 2021, Danish epidemiologist Tina Fischer spoke on the This Week in Virology podcast, advocating for a second phase of the study to audit blood samples for COVID-19 antibodies in China. WHO-convened study team member Marion Koopmans, on that same broadcast, advocated for WHO member states to make a decision on the second phase of the study, though she also cautioned that an investigatory audit of the laboratory itself may be inconclusive. In early July 2021, WHO emergency chief Michael Ryan said the final details of phase 2 were being worked out in negotiations between WHO and its member states, as the WHO works "by persuasion" and cannot compel any member state (including China) to cooperate. In July 2021 China rejected WHO requests for greater transparency, cooperation, and access to data as part of Phase 2. On 16 July 2021, Foreign Ministry spokesperson Zhao Lijian declared that China's position was that future investigations should be conducted elsewhere and should focus on cold chain transmission and the US military's labs. On 22 July 2021, the Chinese government held a press conference in which Zeng Yixin, Vice Health Minister of the National Health Commission (NHC), said that China would not participate in a second phase of the WHO's investigation, denouncing it as "shocking" and "arrogant". He elaborated "In some aspects, the WHO's plan for next phase of investigation of the coronavirus origin doesn't respect common sense, and it's against science.
=== United Arab Emirates === The United Arab Emirates Armed Forces uses a European-style combat ration pack containing food and accessories for one soldier for 24 hours. Packed in the UAE using imported components, the ration box measures 245 mm × 195 mm × 115 mm and weighs 2.0 kg. Inside are 4 resealable (ziplock type) plastic bags, labeled in both Arabic & English, containing Breakfast, Lunch, Dinner, and Miscellaneous. A typical Breakfast bag has 2 foil-wrapped packages of hard brown biscuits, 1 small jar of apricot jam, a can of tuna, and an accessory pack (plastic spoon, salt, pepper, and napkin). Lunch contains a retort pouch of precooked rice, a retort pouch of chicken curry, a pouch of date pudding, and another accessory pack. Dinner has a retort pouch of pasta rigatoni, an envelope instant soup, and a third accessory pack. The Miscellaneous bag contains a small bag of hard candy, 4 packets of sugar, 4 tea bags, 2 small envelopes of milk powder, and 3 foil envelopes of instant orange juice powder. Also included are: a can of fruit, a package of ramen noodles, 2 flameless chemical ration heaters, a menu/instruction sheet, 1 pack of dried hummus powder, and a book of matches.
Sources: en.wikipedia.org
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Tosoh Corporation (東ソー株式会社, Tōsō Kabushiki-gaisha) is a global chemical and specialty materials company. The company was founded in 1935 in Yamaguchi Prefecture, as Toyo Soda Manufacturing Co., Ltd., and changed its name to Tosoh Corporation in 1987. Today, its corporate headquarters are in Tokyo, Japan. Tosoh Corporation began as a manufacturer of chlor-alkali and petrochemical commodities and feedstocks. Today, the company produces other kinds of products including electrolytic manganese dioxide (EMD), specialty polymers, fine chemicals, scientific instruments, and thin-film materials. The Tosoh Group globally comprises more than 130 companies and includes manufacturing and marketing facilities in East Asia, Europe and the United States. The company is listed on the first section of the Tokyo Stock Exchange and is a constituent of the Nikkei 225 stock index. Tosoh's Nanyo complex has an annual vinyl chloride monomer production capacity of 1.2 million tons, the primary chemical intermediate of vinyl plastic. Tosoh is a member of the Mizuho keiretsu. Tosoh acquired Nippon Polyurethane Industry in 2006 and absorbed into Tosoh in 2014.
===== Southern Land Bridge project ===== Paetongtarn Shinawatra has adopted the 1-trillion-baht Southern Land Bridge project as a cornerstone of her administration's economic policy, positioning herself as its chief advocate and lead promoter on the international stage. Her role is multifaceted, encompassing policy direction, investment promotion, and stakeholder management for one of Thailand's most ambitious and controversial mega-projects. The project aims to construct a 90-kilometer logistics corridor, including deep-sea ports in Ranong (Andaman Sea) and Chumphon (Gulf of Thailand), linked by a motorway and dual-track railway. This would create a strategic alternative to the congested Strait of Malacca for maritime transport. She has argued that it will reduce shipping times by several days, lower costs by up to 15%, create an estimated 280,000 jobs, and boost GDP growth. During numerous overseas roadshows and at major domestic events like the "Ignite Thailand" forum in March 2025, she has presented the project as a key opportunity for investment. She has actively courted interest from global players, particularly during her official visit to China in February 2025, and has highlighted investment interest from firms in China, the Middle East (notably Dubai Port World), and financial institutions like the Asian Infrastructure Investment Bank (AIIB).
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Sources: en.wikipedia.org
No. It is a synthetic peptide fragment modeled on part of human growth hormone, not the full hormone. It does not contain the complete sequence or receptor-binding regions of hGH.
It was investigated in clinical trials for obesity, but it did not receive approval for that use in major markets. Results were generally modest or mixed, and it remains an experimental compound.
WADA lists it as a prohibited peptide hormone. Its use can be detected by laboratory methods, and athletes are subject to sanctions if it is found in samples.
No major regulatory agency has approved AOD-9604 as a medicine. It is treated as an experimental peptide in research settings. Some countries restrict its sale or import.