The short version of Stenabolic fits in a sentence. The long version — which is the one that helps — is below.
This page was last updated on 2025-11-29 and is reviewed periodically as new material appears.
Regulatory treatment of SR9009 varies by country and region. It is not approved as a pharmaceutical, and several jurisdictions restrict its sale for human consumption. Some authorities classify it as a research chemical, a prescription-only substance, or a prohibited performance-enhancing agent in sport. Purchasers may encounter certificates of analysis, but these documents do not guarantee identity, purity, or legality. In research settings, institutional safety reviews and controlled procurement help ensure that materials are handled under appropriate oversight. The absence of harmonized rules means that legal status can change and requires verification.
Analytical identification of SR9009 typically relies on liquid chromatography coupled with tandem mass spectrometry. In biological samples, researchers first separate the compound from matrix components using protein precipitation, liquid-liquid extraction, or solid-phase extraction. High-performance liquid chromatography with ultraviolet detection and nuclear magnetic resonance spectroscopy can support structural confirmation of reference materials. Because SR9009 is a small, relatively lipophilic molecule, reverse-phase columns and acidic mobile phases are common. Laboratories often include isotope-labeled internal standards to improve quantification and to correct for ion suppression.
Mechanistically, SR9009 binds the ligand-binding domain of REV-ERBα/β and enhances recruitment of corepressor complexes. This represses target genes rather than activating them. Because REV-ERB proteins normally compete with ROR proteins at shared response elements, the net effect depends on tissue and timing. Researchers use SR9009 to probe how nuclear receptor signaling links the clock to metabolism, inflammation, and muscle biology. Findings are largely preclinical, and the precise contribution of each receptor subtype remains under study.
SR9009 is frequently discussed in fitness and research-chemical contexts, yet it has no approved medical indication. Regulatory agencies have not authorized it for human use, and it is not a standard prescription drug. Some sports organizations list it as a prohibited substance because of its potential performance-enhancing properties. Published human data are sparse, so claims about its effects in people often rely on animal models or anecdotal reports. Quality and identity of online materials can vary widely.
SR9009 is a synthetic small molecule studied as a REV-ERB agonist. REV-ERBα and REV-ERBβ are nuclear receptors that help regulate circadian rhythms and metabolic gene expression. The compound was identified in academic screening efforts to find synthetic ligands for these receptors. In cell and animal studies, SR9009 alters transcription of genes involved in lipid and glucose metabolism, and it can shift circadian behavior. It is not an approved therapeutic agent.
| Property | Value | Notes |
|---|---|---|
| Common synonyms | SR9009; Stenabolic | Nickname is not a chemical name. |
| Typical analytical method | LC-MS/MS | Often with isotope-labeled internal standard. |
| Storage temperature | -20 °C | Desiccated and protected from light. |
| Solution stability | DMSO stock; avoid freeze-thaw | Store at -20 to -80 °C. |
| Regulatory status | Not approved; varies by country | May be restricted as research chemical. |
SR9009 is a synthetic small molecule studied as an agonist of REV-ERB nuclear receptors. REV-ERB alpha and REV-ERB beta help regulate circadian rhythms and metabolic gene expression. In laboratory research, SR9009 has been used to probe how these receptors affect skeletal muscle, liver, and adipose tissue. The compound was identified in academic drug-discovery work and is often described in scientific literature by its chemical name and research code. It is not an approved medicine, and human clinical data remain limited or absent.
SR9009 binds REV-ERB receptors and alters their repressive activity on target genes. This action can change transcription of genes involved in lipid handling, glucose metabolism, and mitochondrial function. In rodent studies, treated animals have shown changes in muscle oxidative capacity and exercise performance, though effects vary by dose, duration, and model. The precise molecular steps connecting receptor binding to whole-body outcomes are still an active area of investigation. Findings in animals do not automatically translate to humans.
Regulatory agencies have not approved SR9009 for human therapeutic use. It is typically sold as a research chemical with labels stating that it is not for human consumption. The World Anti-Doping Agency prohibits the substance in sport, generally under the category of non-approved substances. Customs and national laws may restrict importation, sale, or possession. Product quality and legal status can vary by country and vendor, and therapeutic claims are not permitted in regulated advertising because the compound lacks approval.
Several misconceptions surround SR9009. It is often described as a SARM, a steroid, or an exercise pill, but its known target is the REV-ERB receptor family. Rodent studies have examined exercise capacity and metabolic markers, yet human outcomes remain unproven. Oral bioavailability appears low in animals, and human pharmacokinetics are not well characterized. Online products may contain impurities or different compounds, so identity and purity testing are important for research use.
Analytical chemists detect SR9009 with liquid chromatography-tandem mass spectrometry, commonly abbreviated LC-MS/MS. Sample preparation may involve protein precipitation, liquid-liquid extraction, or solid-phase extraction before analysis. Laboratories can target the parent compound or its metabolites, depending on the matrix and the purpose of testing. Anti-doping methods require sensitive and specific assays because concentrations in biological samples can be low. Reference standards and validated methods are essential for reliable identification and quantification.
SR9009 is frequently discussed alongside other REV-ERB ligands, including synthetic agonists and natural heme-related molecules. Its selectivity for REV-ERB over related nuclear receptors has been measured in binding and reporter assays, though off-target activity at higher concentrations is possible. The compound is prohibited in sport by the World Anti-Doping Agency, and it is not approved for any medical use in major jurisdictions. Products sold online may be labeled as research chemicals, and their identity and purity are not guaranteed by regulatory review.
SR9009 is a synthetic small molecule that acts on the nuclear receptors REV-ERBα and REV-ERBβ. These receptors are part of the circadian clock machinery and normally repress transcription of certain target genes. In laboratory research, SR9009 is used as a chemical tool to study how REV-ERB activity influences metabolism, inflammation, and daily biological rhythms. The compound is not an approved medicine, and its effects in humans remain largely uncharacterized. It is often described as an investigational agent rather than a therapeutic product.
REV-ERB proteins typically suppress gene expression by recruiting corepressor complexes to DNA response elements. SR9009 binds these receptors and strengthens that repressive action in cell-based assays. Studies in rodents have reported changes in lipid handling, mitochondrial function, and exercise capacity after treatment. Such findings are often cited as evidence for metabolic effects, but species differences and limited pharmacokinetic data make direct translation to humans uncertain. Researchers continue to examine which effects are robust and which depend on specific experimental conditions.
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=== 1966 === January 31: Luna 9 is launched. February 3: Luna 9 successfully lands on the Moon becoming the first spacecraft to softly land on another extraterrestrial body. March 1: Venera 3 becomes the first man-made object to impact another planet. March 10: France withdraws from NATO command structure. March 11: President Sukarno of Indonesia signs a document, handing over authority to Major General Suharto. This led to Suharto later establishing the pro-western and anti-communist New Order regime. This regime would remain in power until 1998. May 8: Communist China detonates a third nuclear device. May 26: Guiana becomes independent from the UK under Commonwealth status. May 30: Surveyor 1 is launched. June 2: Surveyor 1 becomes the first American spacecraft to softly land on another extraterrestrial body. August 11: The Jakarta Accord is signed by the Indonesian Foreign Minister Adam Malik and Malaysian Deputy Prime Minister Tunku Abdul Razak ending the hostility between Indonesia and Malaysia. August 26: South African Border War begins. September 30: Bechuanaland renamed Botswana becomes independent from the UK. October 5: Beginning of low-level armed clashes in Korean DMZ between North Korea and South Korea backed by the United States. November 30: Barbados becomes independent from the UK.
=== Economic and social fallout of the 1967 riots === After the riots, thousands of small businesses closed permanently or relocated to safer neighborhoods, and the affected district lay in ruins for decades. Of the 1967 riots, politician Coleman Young, Detroit's first black mayor, wrote in 1994:
=== DNA damage === DNA damage in sperm cells that is related to infertility can be probed by analysis of DNA susceptibility to denaturation in response to heat or acid treatment and/or by detection of DNA fragmentation revealed by the presence of double-strand breaks detected by the TUNEL assay. Other techniques performed in order to measure the DNA fragmentation are: SCD (sperm chromatin dispersion test), ISNT (in situ nick translation), SCSA (sperm chromatin structural assay) and comet assay.
Sources: en.wikipedia.org
== History == Ferric maltol was approved for medical use in the European Union in February 2016. Ferric maltol was approved for medical use in the United States in July 2019, based on evidence from three clinical trials (NCT01340872, NCT01352221, and NCT02968368). All 295 participants had low iron stores in the body and consequent iron deficiency anemia. In the first two trials low iron was caused by participants' inflammatory bowel disease and in the last trial, by long standing (chronic) kidney disease. Trials were conducted at 79 sites in Europe and the United States. The efficacy of ferric maltol to treat iron deficiency in people aged 10-17 years of age was assessed in the FORTIS trial (NCT05126901). The trial treated 24 participants with age-based dosing of ferric maltol twice daily, and showed a clinically meaningful average increase in hemoglobin of 1.1 g/dL at week 12. This, on average, would be the expected increase in hemoglobin with one blood transfusion.
== Hunger pangs == The physical sensation of hunger is related to the contractions of the muscles of the empty stomach. Peristalsis takes place even when the stomach is empty, and these contractions—sometimes called hunger pangs once they become severe—are believed to be triggered by high concentrations of the ghrelin hormone. The migrating motor complex is a pattern of hunger contractions that takes place in the hungry stomach and gut; they are correlated in time with subjective sensations of hunger and are even responsible for the rumbling associated with a hungry stomach. In contrast, the hormones peptide YY and leptin can have an opposite effect on the appetite, causing the sensation of being full. Ghrelin can be released if blood sugar levels dip too low—a condition called hypoglycemia that can result from long periods without eating. Stomach contractions from hunger can be especially severe and painful in children and young adults. Hunger pangs can be made worse by irregular meals. People who cannot afford to eat more than once a day sometimes refuse one-off additional meals, because if they do not eat at around the same time on the next days, they may suffer extra severe hunger pangs. Older people may feel less violent stomach contractions when they get hungry, but still suffer the secondary effects resulting from low food intake: these include weakness, irritability and decreased concentration. Prolonged lack of adequate nutrition also causes increased susceptibility to disease and reduced ability for the body to heal.
== Mobile phase == The mobile phase, or the liquid phase that runs across the column during separation, for HILIC is typically composed of a high amount of water-miscible, polar organic solvent and a low amount of water. Typically, acetonitrile ("MeCN", also designated as "ACN") is used for the organic solvent, though other aprotic water-miscible solvents, such as alcohols at higher concentration, tetrahydrofuran, or dioxane, can also be used. As with other methods of chromatography, the mobile phase can be delivered isocratically or with a gradient starting at high-organic progressing towards increasing aqueous content. If using a mobile phase gradient, the mobile phase will progressively increases in polar-aqueous content, causing increasingly polar analytes to be eluted. All ions partition into the stationary phase to some degree, so an occasional "wash" with water is required to ensure a reproducible stationary phase.
Sources: en.wikipedia.org
=== Recruiting and activating of immune cells === The binding of a BsAb to its target antigens can lead to a variety of effects. The most widely used application of this approach is in cancer immunotherapy, where BsAbs are engineered to simultaneously bind a cytotoxic cell and a target (a tumour cell) to be destroyed. It is possible to observe the bridging effect that BsAbs have on T cell/cancer cell interactions using label-free live cell imaging. Catumaxomab, one of the first trifunctional antibodies approved for therapeutic use, binds both CD3 on cytotoxic T cells and EpCAM on human adenocarcinomas. The Fc region additionally binds to a cell that expresses Fc receptors, like a macrophage, natural killer cell or dendritic cell. Since the Fc region is still intact, this allows for the BsAb to trigger common immune responses when recognized by an Fc receptor, such as antibody-dependent cell-mediated cytotoxicity or complement-dependent cytotoxicity.
excessive water consumption; this condition is often called polydipsia. frequent and/or excessive urination, known as polyuria, often requiring the dog to be let outside to urinate during the night, abnormal increase in appetite, a condition known as polyphagia., weight loss; dogs with diabetes may also suffer from severe weight loss, weakness, anorexia and blindness. Sometimes, the first sign of diabetes noticed by the owner may be that their dog either has become blind (due to the formation of cataracts in the eyes), or has vomiting, anorexia, lethargy and weakness (due to ketoacidosis).
Lettres à ses amis et quelques autres, Édition de Joseph Brami et de Michèle Sarde avec la collaboration d’Élyane Dezon-Jones, Paris, Gallimard, 1995, 736 p. ISBN 2070738574. D’Hadrien à Zénon, Correspondance 1951-1956 de Marguerite Yourcenar. Texte établi et annoté par Colette Gaudin et Rémy Poignault avec la collaboration de Joseph Brami et Maurice Delcroix; édition coordonnée par Élyane Dezon-Jones et Michèle Sarde; préface de Josyane Savigneau, Paris, Gallimard, 2004, 640 p., ISBN 207075684X. « Une volonté sans fléchissement ». Correspondance 1957-1960, texte établi, annoté et préfacé par Joseph Brami, Maurice Delcroix, édition coordonnée par Colette Gaudin et Rémy Poignault avec la collaboration de Michèle Sarde, Paris, Gallimard, 2007, 549 p. Marguerite Yourcenar, Silvia Baron Supervielle, Une reconstitution passionnelle. Correspondance 1980-1987, édition établie, annotée et commentée par Achmy Halley, Avant-propos de Silvia Baron Supervielle, Paris, Gallimard, 2009, 99 p. « Persévérer dans l’être ». Correspondance 1961-1963 (D’Hadrien à Zénon, III), texte établi et annoté par Joseph Brami et Rémy Poignault, avec la collaboration de Maurice Delcroix, Colette Gaudin et Michèle Sarde, préface de Joseph Brami et Michèle Sarde, Paris, Gallimard, 2011, 503 p. « En 1939, L’Amérique commence à Bordeaux ». Lettres à Emmanuel Boudot-Lamotte (1938-1980), édition établie, présentée et annotée par Élyane DEZON-JONES et Michèle SARDE, Paris, Gallimard, 2016, 304 p. « Le pendant des Mémoires d’Hadrien et leur entier contraire ».
2-Hydroxybutyrate, the conjugate base of 2-hydroxybutyric acid, is produced in mammalian tissues (principally hepatic) that catabolize L-threonine or synthesize glutathione. Oxidative stress or detoxification demands can dramatically increase the rate of hepatic glutathione synthesis. Under such metabolic stress conditions, supplies of L-cysteine for glutathione synthesis become limiting, so homocysteine is diverted from the transmethylation pathway forming methionine into the transsulfuration pathway forming cystathionine. 2-Hydroxybutyrate is released as a byproduct when cystathionine is cleaved to cysteine that is incorporated into glutathione. Chronic shifts in the rate of glutathione synthesis may be reflected by urinary excretion of 2-hydroxybutyrate. α-hydroxybutyrate may be useful as an early indicator of insulin resistance in non-diabetic subjects. Moreover, elevated serum α-hydroxybutyrate predicts worsening glucose tolerance.
Sources: en.wikipedia.org
The most common approach is liquid chromatography-tandem mass spectrometry, often after extraction from blood, urine, or tissue. Ultraviolet detection and nuclear magnetic resonance spectroscopy are used mainly for reference material characterization. Isotope-labeled internal standards improve accuracy.
Solid material is usually kept at -20 °C, desiccated, and protected from light. Dimethyl sulfoxide stocks should be stored cold and subjected to minimal freeze-thaw cycles. Aqueous solutions are generally less stable and should be prepared fresh when possible.
Legality depends on the country and the intended use. It is not an approved medicine, and some places restrict or ban sales for human consumption. Buyers should verify local rules and product documentation before procurement.
SR9009 is a synthetic compound investigated as an agonist of the nuclear receptors REV-ERBα and REV-ERBβ. It is used in preclinical research on circadian rhythm and metabolism. It is not an approved drug.