The short version of anti-doping fits in a sentence. The long version — which is the one that helps — is below.
Reviewed 2025-12-24. Anything still debated is marked as such rather than presented as settled.
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.
Stability depends on physical form, temperature, light exposure, and solvent. Solid SR9009 is generally stored cold and dry, with protection from light to limit degradation. Dimethyl sulfoxide stocks are common for laboratory work, but repeated freeze-thaw cycles can reduce compound integrity. Aqueous solutions may be less stable than organic stocks, and the ethyl ester in the structure can be susceptible to hydrolysis under certain conditions. Researchers typically validate storage conditions and recheck purity before quantitative experiments, especially when using archived material.
Research interest in SR9009 grew from studies of circadian biology and metabolic disease. Preclinical reports describe effects on exercise capacity, muscle metabolism, and blood lipid levels in rodents, but these findings come from controlled laboratory settings. The compound has low oral bioavailability in animals, which limits systemic exposure after swallowing. Investigators often use injected routes in experiments to achieve measurable plasma concentrations. Human clinical data are sparse, no approved therapeutic product exists, and whether animal effects translate to humans remains an open question.
Regulatory and sporting contexts treat SR9009 as a prohibited substance in many elite competitions. Its presence on banned lists reflects concerns about performance enhancement and unknown long-term safety. Analytical chemists have developed methods to detect the parent compound and its metabolites in urine and blood. Literature discussions distinguish between in vitro potency, animal pharmacology, and anecdotal human reports. The latter are difficult to verify because products sold online may lack purity or contain different compounds.
| 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. |
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.
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.
=== Pharmacodynamics (PD) === Pharmacodynamic models focus on elucidating the intricate relationship between drug concentration and its effects on the body. This includes both the desired therapeutic effects and potential side effects. By delineating the time course of drug effects, these models contribute to the prediction of efficacy and adverse events, aiding in the identification of optimal dosing strategies.
Missouri and, before the abolition of capital punishment, Delaware, use or used a lethal injection machine designed by Massachusetts-based Fred A. Leuchter consisting of two components: the delivery module and the control module. The delivery module is in the execution chamber. It must be preloaded with the proper chemicals and operate with the timing of the dosage. The controller module is in the control room. This section is the portion that officially starts the procedure. The operation is done by first arming the machine and then having station members simultaneously press each of their buttons on the panel to activate the delivery. The computer then deletes the identity of the person who actually started the syringes, so the participants are not aware whether their syringe contained saline or one of the drugs necessary for execution (to assuage guilt in a manner similar to the blank cartridge in execution by firing squad). The delivery module has eight syringes. The end syringes (i.e., syringes 7 and 8) containing saline, syringes 2, 4 and 6 containing the lethal drugs for the main line and syringes 1, 3 and 5 containing the injections for the backup line. The system was used in New Jersey before the abolition of the death penalty in 2007. Illinois previously used the computer, and Missouri and Delaware use the manual injection switch on the delivery panel. Eleven states have switched, or have stated their intention to switch, to a one-drug lethal injection protocol. A one-drug method is using the single drug sodium thiopental to execute someone.
== Etymology == In Old English, an alcoholic beverage made from apples was simply called æppelwīn ("apple wine"). The word cider is first mentioned in Middle English in biblical use as sicer, ciser ("strong drink", "strong liquor") in the 13th century and as sither(e) / cidre "liquor made from the juice of fruits" → "beverage made from apples" in the 14th century. It was probably first borrowed from Old French primitive form sizre "fermented beverage" (Eadwine Psalter, LXVIII, 14) and then from another younger French form cistre, later sidre, cidre "beverage made from fruits". The specific meaning "fermented beverage from apples" appears in Old French for the first time by the Norman chronicler Wace in 1130 / 1140 (Wace, conception de Nostre Dame). The Old French word *cisre (sizre) is from Gallo-Romance *cisera found in Medieval Latin by the English author Alexander Neckam (Neckam, De nominibus utensilium). It is an altered form of Church Latin sicera "fermented drink", itself borrowed from Greek sīkéra, ultimately from Hebrew šēkār, "intoxicating liquor". The cognates in the different Romance languages : Spanish, Portuguese sidra, Italian sidro, etc., in the Germanic languages : German Zider, etc. are all from French and Breton chistr, Welsh seidr (through an English form) probably too. By the 19th century, in the United States, cider referred to the expressed juice of apples, either before fermentation as sweet cider, or after fermentation, a hard cider.
== External links == "Ghrelin Receptor". IUPHAR Database of Receptors and Ion Channels. International Union of Basic and Clinical Pharmacology. Archived from the original on 2015-07-11. Retrieved 2007-10-25. growth+hormone+secretagogue+receptor at the U.S. National Library of Medicine Medical Subject Headings (MeSH) Ghrelin Archived 2008-05-12 at the Wayback Machine at Colorado State University This article incorporates text from the United States National Library of Medicine, which is in the public domain.
Sources: en.wikipedia.org
Bukele stated in June 2019 that his government would no longer recognize Nicolás Maduro as the president of Venezuela, instead recognizing Juan Guaidó as Venezuela's legitimate president during Venezuela's presidential crisis. On 3 November of that year, he expelled Maduro-appointed Venezuelan diplomats from El Salvador. Bukele considers Maduro to be a dictator. Bukele rejected the results of the 2024 Venezuelan presidential election as a "fraud" ("fraude") and stated that he would not restore relations with Venezuela unless there were "real elections" ("elecciones de verdad"). Bukele refused to recognize the presidency of Manuel Merino in Peru in November 2020, calling Merino's government "putschist" ("golpista"). He and the Legislative Assembly denounced the results of the 2021 Nicaraguan general election, that were seen by several governments as fraudulent. El Salvador has abstained from resolutions critical of Nicaragua at the Organization of American States since 2022, with Bukele's government citing "non-interference" ("no injerencia") as justification. In 2024, El Salvador was the only country to abstain on an OAS resolution to condemn Ecuador for raiding the Mexican embassy in Quito to arrest former Ecuadorian vice president Jorge Glas.
==== Online fraud ==== Online fraud has been one of Malawi's challenges with its share of online fraud incidents, highlighting the need for increased vigilance and action. In 2019, a sophisticated online fraud scheme was uncovered, involving a group of criminals who posed as representatives of a reputable bank. They created a fake website and social media accounts, convincing victims to reveal sensitive financial information and transfer large sums of money to fraudulent accounts. The scheme, dubbed "Operation Kaya," was estimated to have defrauded over 1,000 individuals of millions of kwacha. In 2018, a prominent businessperson, Dr. Thomson Mpinganjira, was arrested and charged with online fraud after allegedly swindling investors out of millions of kwacha through a fake investment scheme. The scheme, which promised unusually high returns, was advertised on social media and targeted unsuspecting investors. In 2017, a group of online fraudsters targeted the Malawi Government's agricultural subsidy program, stealing millions of kwacha by creating fake accounts and claiming non-existent subsidies. The incident led to a nationwide audit of the program and the arrest of several suspects. The Malawian government has taken steps to combat online fraud, including enacting the Electronic Transactions and Cyber Security Act in 2017. The law criminalizes online fraud and imposes harsh penalties on those convicted. The government has also established a cybercrime unit within the Malawi Police Service to investigate and prosecute online fraud cases.
Pertechnetate (TcO−4) is only weakly hydrated in aqueous solutions and behaves analogously to perchlorate anion, both of which are tetrahedral. Unlike permanganate (MnO−4), it is only a weak oxidizing agent. Related to pertechnetate is technetium heptoxide. This pale-yellow, volatile solid is produced by oxidation of Tc metal and related precursors:
Alogliptin, sold under the brand names Nesina and Vipidia, is an oral anti-diabetic drug in the DPP-4 inhibitor (gliptin) class. Like other members of the gliptin class, it causes little or no weight gain, exhibits relatively little risk of hypoglycemia, and has relatively modest glucose-lowering activity. Alogliptin and other gliptins are commonly used in combination with metformin in people whose diabetes cannot adequately be controlled with metformin alone. In April 2016, the U.S. Food and Drug Administration (FDA) added a warning about increased risk of heart failure. It was developed by Syrrx, a company which was acquired by Takeda Pharmaceutical Company in 2005. In 2020, it was the 295th most commonly prescribed medication in the United States, with more than 1 million prescriptions.
In the first phase of production, a Penicillium roqueforti inoculum is prepared prior to the actual production of blue cheese. Multiple methods can be used to achieve this. However, all methods involve the use of a freeze-dried Penicillium roqueforti culture. Although Penicillium roqueforti can be found naturally , cheese producers use commercially manufactured Penicillium roqueforti. First, Penicillium roqueforti is washed from a pure culture agar plate which is later frozen. Through the freeze-drying process, water from the frozen state is evaporated without the transition through the liquid state (sublimation). This retains the value of the culture and is activated upon the addition of water. Salt, sugar or both are added to autoclaved, homogenized milk via a sterile solution. This mixture is then inoculated with Penicillium roqueforti. This solution is first incubated for three to four days at 21–25 °C (70–77 °F). More salt and/or sugar is added and then aerobic incubation is continued for an additional one to two days. Alternatively, sterilized, homogenized milk and reconstituted non-fat solids or whey solids are mixed with sterile salt to create a fermentation medium. A spore-rich Penicillium roqueforti culture is then added. Next, modified milk fat is added which consists of milk fat with calf pre-gastric esterase. This solution is prepared in advance by an enzyme hydrolysis of a milk fat emulsion. The addition of modified milk fat stimulates a progressive release of free fatty acids via lipase action which is essential for rapid flavor development in blue cheese.
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 small molecule studied as an agonist of the REV-ERB nuclear receptors. It is not an approved medicine, and its effects in humans are not well characterized.