If you have been reading about storage stability and want a single page that covers the useful parts, this is it: definitions, context, how it is studied, and the questions that come up repeatedly.
Updated 2026-08-01. Numbers and descriptions here follow the published literature rather than marketing material.
SR9009 is a synthetic small molecule studied as an agonist of the nuclear receptors REV-ERBα and REV-ERBβ, also called NR1D1 and NR1D2. These receptors help regulate circadian rhythms and metabolic gene programs. The compound was developed for laboratory research, not as an approved therapeutic. Its identity is distinct from steroid hormones and selective androgen receptor modulators. Scientific interest centers on how REV-ERB activation changes gene expression in cells and animal models.
At the molecular level, SR9009 binds the ligand-binding domain of REV-ERB and strengthens recruitment of corepressor proteins such as NCoR and HDAC3. This increases repression of target genes, including Bmal1 and other clock-controlled and metabolic genes. In rodent studies, such changes have been linked to altered lipid handling, glucose metabolism, and energy expenditure. The precise chain of events between receptor binding and whole-body effects remains an active area of research. Findings in animals do not automatically translate to humans.
In laboratory settings, SR9009 is commonly identified by its molecular structure and its interaction with REV-ERB receptors. Vendors may list it under synonyms such as Stenabolic or REV-ERB agonist, but those names do not define purity or identity. Analytical confirmation typically uses high-performance liquid chromatography with ultraviolet detection or liquid chromatography–mass spectrometry. A reference standard is needed to compare retention time and mass spectrum, because the compound can be confused with related research chemicals.
Handling practices for SR9009 focus on minimizing degradation and contamination. The solid is generally stored desiccated at or below -20 °C, protected from light and moisture. Stock solutions are often prepared in dimethyl sulfoxide or ethanol, then aliquoted to avoid repeated freeze–thaw cycles. Aqueous solubility is low, so formulations for animal studies may require cosolvents or suspending agents. Personnel should follow institutional chemical safety procedures, because toxicological data for humans are incomplete.
| Property | Value | Notes |
|---|---|---|
| Chemical class | Synthetic small molecule | Studied as a REV-ERB agonist |
| Molecular formula | C20H24ClN3O4S | Reported for the neutral compound |
| Appearance | Off-white to pale yellow solid | Typical research-grade material |
| Solubility | Sparingly soluble in water | Soluble in solvents such as DMSO |
| Common synonyms | SR9009; Stenabolic | Stenabolic is an informal alias |
Identity and purity of SR9009 samples are usually checked with chromatographic and spectrometric methods. High-performance liquid chromatography can separate the compound from related impurities, while mass spectrometry provides molecular mass confirmation. Nuclear magnetic resonance spectroscopy may be used for structural verification in research settings. No single method proves biological activity, and certificates of analysis should be reviewed alongside raw data. Independent testing is often needed because online products vary widely.
SR9009 stability depends on temperature, moisture, light, and solvent. Solid material is generally kept cool and dry, while solutions may require protection from repeated warming and cooling. Degradation can appear as color changes, precipitate, or new chromatographic peaks. Researchers should follow supplier instructions and their own stability data. Long-term storage conditions for human use have not been established because the compound lacks approved clinical formulation.
SR9009 is a synthetic small molecule studied as an agonist of the nuclear receptors REV-ERBα and REV-ERBβ. It is not an approved medicine and has no established human therapeutic use. The compound appears in scientific literature as a tool for probing circadian and metabolic regulation. Online sellers often label it as a research chemical, sometimes using the nickname Stenabolic. Its chemical identity is distinct from selective androgen receptor modulators, stimulants, and peroxisome proliferator-activated receptor delta agonists. Researchers use it mainly in cell and animal experiments.
At the molecular level, SR9009 binds REV-ERBα and REV-ERBβ and alters their repressive activity on target genes. These nuclear receptors help regulate the circadian clock, lipid synthesis, glucose metabolism, and inflammatory pathways. By changing transcription, the compound can shift the timing or magnitude of downstream metabolic processes in model systems. It does not act through androgen receptors or adenosine receptors, which distinguishes it from several substances sold for athletic performance. Whether the same transcriptional changes occur in humans at tolerable exposures remains an open question because controlled human studies are lacking.
Preclinical reports describe effects on exercise endurance, mitochondrial content, and lipid profiles in rodents, but these findings come from specific experimental conditions. Many studies use high doses or delivery methods that may not translate directly to human use. SR9009 has been reported to have low oral bioavailability and a short half-life, which complicates interpretation of oral dosing studies. It is not established as safe or effective for any indication. Literature discussions often separate its pharmacological mechanism from unverified claims made in fitness and supplement markets.
Circumcision began to be advocated as a means of prophylaxis in 1855, primarily as a means of preventing the transmission of sexually transmitted infections. At this time, British physician Jonathan Hutchinson published his findings that, among his venereal disease patients, Jews had a lower prevalence of syphilis. Hutchinson suggested that circumcision lowers the risk of contracting syphilis. He also believed that circumcision would prevent masturbation. In an 1893 article, On circumcision as a preventive of masturbation he wrote: "I am inclined to believe that [circumcision] may often accomplish much, both in breaking the habit [of masturbation] as an immediate result, and in diminishing the temptation to it subsequently." Pursuing a successful career as a general practitioner, Hutchinson went on to advocate circumcision for the next fifty years, eventually earned a knighthood for his contributions to medicine. His viewpoint that circumcision was prophylactic against disease was adopted by other medical professionals.
After the end of the American Civil War, Chicago, Illinois emerged as a major railway center for the distribution of livestock raised on the Great Plains to Eastern markets. Transporting the animals to market from ranches in Texas required herds to be driven up to 1,200 miles (1,900 km) to railheads in Kansas City, Missouri or later to more westerly locations, such as Abilene, Kansas (1867, Kansas Pacific Railway) and Dodge City, Kansas (1872, Santa Fe Railroad), where they were loaded into specialized stock cars and transported live ("on-the-hoof") to regional processing centers. Driving cattle across the plains also caused tremendous weight loss, with some animals dying in transit. Upon arrival at the local processing facility, livestock were slaughtered by wholesalers and delivered fresh to nearby butcher shops for retail sale, smoked, or packed for shipment in barrels of salt. Costly inefficiencies were inherent in transporting live animals by rail, particularly the fact that approximately 60% of the animals' mass is inedible. The death of animals weakened by the long drive further increased the per-unit shipping cost. Meat processors sought a method to ship dressed meats from their Chicago packing plants to eastern markets.
== Uses == Ammonium bicarbonate is used in the food industry as a leavening agent for flat baked goods, such as cookies and crackers. It was commonly used in the home before modern-day baking powder was made available. Many baking cookbooks, especially from Scandinavian countries, may still refer to it as hartshorn or hornsalt, while it is known as "hirvensarvisuola" in Finnish, "hjortetakksalt" or "hornsalt" in Norwegian, "hjortetakssalt" in Danish, "hjorthornssalt" in Swedish, and "Hirschhornsalz" in German (lit., "salt of hart's horn"). Although there is a slight smell of ammonia during baking, this quickly dissipates, leaving no taste. It is used in, for example, Swedish "drömmar" biscuits and Danish "klejner" Christmas biscuits, and German Lebkuchen. In many cases it may be replaced with baking soda or baking powder, or a combination of both, depending on the recipe composition and leavening requirements. Compared to baking soda or potash, hartshorn has the advantage of producing more gas for the same amount of agent, and of not leaving any salty or soapy taste in the finished product, as it completely decomposes into water and gaseous products that evaporate during baking. It cannot be used for moist, bulky baked goods however, such as normal bread or cakes, since some ammonia will be trapped inside and will cause an unpleasant taste. It has been assigned E number E503 for use as a food additive in the European Union. It is commonly used as an inexpensive nitrogen fertilizer in China, but is now being phased out in favor of urea for quality and stability.
Sources: en.wikipedia.org
== External links == International Chemical Safety Card 1313 Oregon Veterinary Medical Association (OVMA) Pet Food Contamination Page Archived 2008-10-20 at the Wayback Machine – News and developments updated regularly
When she got to the emergency room, her facial paralysis was coming in and out, because of this she was placed into the stroke ward for observation and a CAT scan and MRI was ordered that resulted negative. A neurologist came in and told her it was all just a psychosomatic response to stress and nothing more. A big reason she does not trust doctors is for the fact that she is a woman of color, and she feels she's not heard by the generic privileged doctor complex. When reaching out to Dr. Lisa Sanders, both Joe and Ann had already been tested and ruled out for dozens of diseases such as Multiple Sclerosis, Parkinson's, and Lupus. Joe specifically has two very serious illnesses, the first one being his unexplained paralysis and the second being an incurable form of blood cancer he was diagnosed with 15 years back. Joe thought he only had a few years to live, but he was placed on a clinical trial that has kept him alive until this day. Dr. Lisa Sanders now wants to know if his blood cancer has anything to do with his paralysis, especially now that he has movement in his toes. Dr. Lisa Sanders published both Joe and Ann’s stories on different columns to gain different traction from the audience and to not create confusion. The first column published was for Joe’s symptoms and this generated hundreds of responses. The two most reasonable possibilities are CIDP, Chronic Inflammatory Polyneuropathy, aka Guillain-Barre syndrome or the paralysis is a side effect of the clinical drug, Ibrutinib, he is taking to control his blood cancer.
The Hassuna culture is a Neolithic archaeological culture in northern Mesopotamia dating to the early sixth millennium BC. It is named after the type site of Tell Hassuna in Iraq. Other sites where Hassuna material has been found include Tell Shemshara.
Some quantum dots pose risks to human health and the environment under certain conditions. Notably, the studies on quantum dot toxicity have focused on particles containing cadmium and have yet to be demonstrated in animal models after physiologically relevant dosing. In vitro studies, based on cell cultures, on quantum dots (QD) toxicity suggest that their toxicity may derive from multiple factors including their physicochemical characteristics (size, shape, composition, surface functional groups, and surface charges) and their environment. Assessing their potential toxicity is complex as these factors include properties such as QD size, charge, concentration, chemical composition, capping ligands, and also on their oxidative, mechanical, and photolytic stability. Many studies have focused on the mechanism of QD cytotoxicity using model cell cultures. It has been demonstrated that after exposure to ultraviolet radiation or oxidation by air, CdSe QDs release free cadmium ions causing cell death. Group II–VI QDs also have been reported to induce the formation of reactive oxygen species after exposure to light, which in turn can damage cellular components such as proteins, lipids, and DNA. Some studies have also demonstrated that addition of a ZnS shell inhibits the process of reactive oxygen species in CdSe QDs.
Sources: en.wikipedia.org
Cathode: 3 O2 + 6 H2O + 12 e− → 12 OH− Anode: 4 Fe → 4 Fe2+ + 8 e−; 4 Fe2+ → 4 Fe3+ + 4 e− Overall: 4 Fe + 3 O2 + 6 H2O → 4 Fe3+ + 12 OH− → 4 Fe(OH)3 or 4 FeO(OH) + 4 H2O The electrolyte is usually iron(II) sulfate in urban areas (formed when atmospheric sulfur dioxide attacks iron), and salt particles in the atmosphere in seaside areas.
== Medical procedures == Physical lipolysis involves destruction of fat cells containing the fat droplets and can be used as part of cosmetic body contouring procedures. Currently there are four main non-invasive body contouring techniques in aesthetic medicine for reducing localized subcutaneous adipose tissue in addition to the standard minimally invasive liposuction: low-level laser therapy (LLLT), cryolipolysis, radio frequency (RF) and high-intensity focused ultrasound (HIFU). However, they are less effective with shorter lasting benefits and can remove significantly smaller amounts of fat compared to traditional surgical liposuction or lipectomy. However, future drug developments can be potentially combined with smaller procedures to augment the result.
The Financial Transactions and Reports Analysis Center of Afghanistan (FinTRACA) was established as a Financial Intelligence Unit under the Anti Money Laundering and Proceeds of Crime Law passed by decree late in 2004. The main purpose of this law is to protect the integrity of the Afghan financial system and to gain compliance with international treaties and conventions. The Financial Intelligence Unit is a semi-independent body that is administratively housed within the Central Bank of Afghanistan (Da Afghanistan Bank). The main objective of FinTRACA is to deny the use of the Afghan financial system to those who obtained funds as the result of illegal activity, and to those who would use it to support terrorist activities. To meet its objectives, the FinTRACA collects and analyzes information from a variety of sources. These sources include entities with legal obligations to submit reports to the FinTRACA when a suspicious activity is detected, as well as reports of cash transactions above a threshold amount specified by regulation. Also, FinTRACA has access to all related Afghan government information and databases. When the analysis of this information supports the supposition of illegal use of the financial system, the FinTRACA works closely with law enforcement to investigate and prosecute the illegal activity. FinTRACA also cooperates internationally in support of its own analyses and investigations and to support the analyses and investigations of foreign counterparts, to the extent allowed by law.
Sources: en.wikipedia.org
SR9009 is a synthetic research compound that activates the REV-ERBα and REV-ERBβ nuclear receptors. It is not an approved drug and has no established human therapeutic use. Most published biological data come from cell and rodent studies.
No. SR9009 is frequently mislabeled as a SARM in online discussions, but it does not target androgen receptors. Its known mechanism involves REV-ERB nuclear receptors and circadian-metabolic gene regulation.
Human clinical data are very limited. There is no approved human use, and safety and efficacy in people are not established. Most evidence comes from preclinical models, so effects observed in animals may not apply to humans.
Liquid chromatography–mass spectrometry is common for identity and purity checks. High-performance liquid chromatography with ultraviolet detection can also be used. Both methods require a suitable reference standard.