A practical reference on research chemical: what it is, how it behaves, what the literature reports, and where the honest uncertainties sit.
This page was last updated on 2026-02-21 and is reviewed periodically as new material appears.
Identity and purity testing for SR9009 commonly uses liquid chromatography coupled with tandem mass spectrometry. This method separates the compound from matrix components and detects it by mass-to-charge transitions, providing sensitive and specific confirmation. Nuclear magnetic resonance spectroscopy can support structural identification, while high-performance liquid chromatography with ultraviolet detection may estimate purity. Because online products labeled as SR9009 may contain other substances or no active compound at all, independent verification is important in research settings. Certificates of analysis are useful but not a substitute for in-house testing.
Laboratory samples of SR9009 are typically supplied as a white to off-white powder. The compound dissolves readily in organic solvents such as dimethyl sulfoxide and ethanol, while its solubility in water is low. Because of this solubility profile, researchers often prepare concentrated stock solutions in an organic solvent before diluting them into aqueous assay buffers. Light exposure, moisture, and repeated freeze-thaw cycles can degrade many small molecules, so handling procedures usually aim to minimize these factors. Purity is commonly checked before use.
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 supplied as a solid research chemical, often in milligram quantities. Laboratories typically weigh it in a controlled environment because fine powders can disperse. Stock solutions are commonly prepared in dimethyl sulfoxide and stored in small aliquots to reduce freeze-thaw cycles. Personal protective equipment and chemical fume hoods are standard when handling unknown or potent compounds. These practices address laboratory safety rather than human use.
| Property | Value | Notes |
|---|---|---|
| Appearance | White to off-white powder | Typical for research-grade material |
| Solubility | Soluble in DMSO and ethanol; low aqueous solubility | Organic stock solutions are common |
| Typical storage temperature | -20 °C or lower | Protect from light and moisture |
| Common analytical method | LC-MS/MS | Used for detection and confirmation |
| Common synonyms | SR9009; Stenabolic | Stenabolic is an informal name |
REV-ERB proteins help regulate daily cycles in gene expression, including genes tied to lipid and glucose metabolism. SR9009 binds these receptors and alters their activity in cell and animal experiments. Consequences observed in rodents include changes in skeletal muscle oxidative capacity, blood lipid levels, and exercise performance. The precise chain from receptor occupancy to whole-body effects is still an active area of study. Human responses cannot be assumed from rodent data.
Most published work on SR9009 consists of preclinical studies. It is widely sold as a research chemical, a category that does not imply safety, efficacy, or pharmaceutical-grade quality. Sports anti-doping organizations have listed SR9009 as a prohibited substance, and its presence in an athlete sample can lead to sanctions. Legal status differs by country; in several jurisdictions it is not approved for human consumption and may be treated as an unapproved new drug.
SR9009 is a synthetic small molecule studied as an agonist of the nuclear receptors REV-ERBα and REV-ERBβ. It is not a steroid, peptide, or natural hormone. In scientific literature, it appears under the code SR9009 and in non-scientific contexts as Stenabolic. The compound was identified through chemical screening efforts aimed at targeting circadian clock components. Its status remains investigational, and no regulatory agency has approved it as a human medicine.
Quality control for research materials includes identity confirmation by nuclear magnetic resonance and purity assessment by high-performance liquid chromatography. Mass spectrometry provides molecular weight confirmation and can detect related impurities. Purchasers should request a certificate of analysis that lists lot-specific data. Online products advertised for human use often lack such documentation. Distinguishing legitimate research material from mislabeled or contaminated samples is a recurring challenge in independent testing, and independent laboratories may use orthogonal methods to verify identity.
Detection of SR9009 in biological samples usually relies on liquid chromatography coupled to tandem mass spectrometry. This approach separates the compound from matrix components and identifies it by mass transitions. Because SR9009 can undergo metabolism, laboratories often look for both parent drug and specific metabolites. Sample preparation may involve protein precipitation or solid-phase extraction. Method validation examines sensitivity, carryover, and interference from related substances, and reference standards are required for accurate calibration.
In rodent studies, SR9009 has been reported to increase mitochondrial content in skeletal muscle and improve exercise endurance under some conditions. These findings led to popular descriptions such as an exercise mimetic, although that term oversimplifies the biology. Effects vary by dose, timing, tissue, and model. The compound's influence on circadian pathways means that time of administration can matter in experiments. Whether similar metabolic changes occur in humans remains largely unexplored in controlled published trials.
Pharmacokinetic data for SR9009 are limited in published literature. Some reports indicate low oral bioavailability and rapid clearance in animals, which complicates interpretation of exposure and effect. Researchers often use injected routes in preclinical work to achieve measurable systemic levels. Analytical studies rely on mass spectrometry to detect the parent compound and its metabolites. Questions about tissue distribution, active metabolites, and long-term consequences remain open. Species differences in metabolism can affect observed half-life and target engagement.
Detection in biological samples can be complicated by rapid metabolism and low circulating concentrations. Some studies report phase I and phase II metabolites, and analytical methods may need to target those species in addition to the parent compound. Immunoassays are not broadly available, so mass spectrometry remains the main confirmatory approach. For anti-doping testing, laboratories look for SR9009 and its metabolites using validated LC-MS methods. Open questions include how long metabolites remain detectable and how different routes of administration alter detection windows.
In laboratory settings, SR9009 is typically characterized by liquid chromatography–mass spectrometry (LC-MS) or high-performance liquid chromatography with ultraviolet detection (HPLC-UV). These methods can confirm identity and estimate purity, but they require reference standards for accurate quantification. Because SR9009 is not a licensed pharmaceutical, no harmonized pharmacopeial monograph exists. Laboratories often validate in-house methods for matrices such as plasma, urine, or cell culture media. Sample preparation may involve protein precipitation or liquid-liquid extraction before analysis.
== Awards == 2009 – Bayer Innovators Award; awarded by Bayer New Zealand. 2011 – Supreme Award, Endoform by Mesynthes; awarded by Wellington Gold Awards. 2014 – Fastest Growing Manufacturer; awarded by Deloitte Fast 50. 2015 – New Zealand's Bioscience Company of the Year; awarded by NZBio. 2022 – Most Innovative Dressing or Device, Gold Award; awarded by Journal of Wound Care.
=== Fighting Corruption and Improving Governance === Corruption and a lack of transparency are significant barriers to economic stability in Iran. The IRGC’s involvement in various economic sectors, including food distribution, distorts the market and contributes to inflation. The government could reduce the economic role of entities like the IRGC by imposing regulations or transferring state contracts to private firms through transparent bidding processes. This would foster competition and reduce monopolistic practices.
In September 2025, following an Israeli strike against suspected Hamas terrorists in Qatar's capital city of Doha, President Trump signed an executive order which stated, "The United States shall regard any armed attack on the territory, sovereignty, or critical infrastructure of the State of Qatar as a threat to the peace and security of the United States." President Biden had begun a closer relationship with Qatar following their help with the 2001 American withdrawal from Afghanistan. In January 2022, Biden named Qatar a major non-NATO ally. The editorial board of The Wall Street Journal wrote, "This is a decision that can be and should have been debated. Instead it comes out of the blue — an executive order following no public debate." In October, Defense Secretary Hegseth announced a training agreement that the Qatar Air Force will build a facility at the Mountain Home Air Force Base in Idaho. The United States has a similar arrangement with Singapore, at the same base. Hegseth emphasized that the U.S. will remain in charge of the facility "like we do with all partners".
GSK was fined for promoting Paxil/Seroxat (paroxetine) for treating depression in the under-18s, although the drug had not been approved for pediatric use. Paxil had US$4.97 billion worldwide sales in 2003. The company conducted nine clinical trials between 1994, and 2002, none of which showed that Paxil helped children with depression. From 1998, to 2003, it promoted the drug for the under-18s, paying physicians to go on all-expenses paid trips, five-star hotels and spas. From 2004, Paxil's label, along with those of similar drugs, included an FDA-mandated boxed warning that it might increase the risk of suicidal ideation and behaviour in patients under 18. An internal SmithKline Beecham document said in 1998, about withheld data from two GSK studies: "It would be commercially unacceptable to include a statement that [pediatric] efficacy had not been demonstrated, as this would undermine the profile of paroxetine." The company ghostwrote an article, published in 2001, in the Journal of the American Academy of Child and Adolescent Psychiatry, that misreported the results of one of its clinical trials, Study 329. The article concluded that Paxil was "generally well tolerated and effective for major depression in adolescents." The suppression of the research findings is the subject of the 2008 book Side Effects by Alison Bass. For 10 years GSK marketed Paxil as non-habit forming.
=== Earlier stages === Rifamycin inhibits bacterial DNA transcription into mRNA by inhibiting DNA-dependent RNA polymerase by binding its beta-subunit. alpha-Amanitin is a powerful inhibitor of eukaryotic DNA transcription machinery.
Sources: en.wikipedia.org
== Frequency of use == Oxazepam, along with diazepam, nitrazepam, and temazepam, were the four benzodiazepines listed on the pharmaceutical benefits scheme and represented 82% of the benzodiazepine prescriptions in Australia in 1990–1991. It is in several countries the benzodiazepine of choice for novice users, due to a low chance of accumulation and a relatively slow absorption speed.
=== Synthetic organic chemistry === BCATs have been used in the synthesis of some pharmaceutical drugs as an alternative to heavy metal catalysts, which can be expensive/environmentally unfriendly. Aminotransferases (transaminases) in general have been used to create unnatural amino acids, important building blocks for peptidomimetic drugs and agricultural products. BCAT from E. coli is typically engineered to be overexpressed and extracted from whole cells to be used for chemical synthesis. Aminotransferases are used because they can accomplish a typically multi-step reaction in one step, can perform reactions on a wide range of substrates, and have high regioselectivity and enantioselectivity. In synthetic organic chemistry, BCATs are typically used for the conversion of L-Leucine to 2-ketoglutarate.
== In history == Coronary occlusion was first discussed in 1910 by Sir William Osler who discussed coronary occlusion during the Lumleian Lectures. In 1912, James Herrick published an article in JAMA documenting his findings on coronary occlusion in animals. According to Robert K. Massie's Nicholas and Alexandra: The Fall of the Romanov Dynasty, Tsar Nicholas II may have suffered a coronary occlusion right before he was toppled from his throne during the Russian Revolution in 1917. Coroners cited a coronary occlusion as the cause of death for Montgomery Clift.
Clusters can be found in all classes of chemical compounds. According to the commonly accepted definition, a cluster consists minimally of a triangular set of atoms that are directly bonded to each other. But metal–metal bonded dimetallic complexes are highly relevant to the area. Clusters occur in "pure" inorganic systems, organometallic chemistry, main group chemistry, and bioinorganic chemistry. The distinction between very large clusters and bulk solids is increasingly blurred. This interface is the chemical basis of nanoscience or nanotechnology and specifically arise from the study of quantum size effects in cadmium selenide clusters. Thus, large clusters can be described as an array of bound atoms intermediate in character between a molecule and a solid.
Sources: en.wikipedia.org
Research-grade SR9009 is typically stored frozen at about minus twenty degrees Celsius, protected from light and moisture. Stock solutions are often kept in aliquots to avoid repeated freeze-thaw cycles. Specific storage conditions should follow the supplier's documentation.
Liquid chromatography with tandem mass spectrometry is widely used to detect and confirm SR9009 in laboratory samples. The technique offers high sensitivity and can distinguish the target compound from related substances. Nuclear magnetic resonance and ultraviolet detection may support identity and purity checks.
Online products labeled as SR9009 may vary in identity, purity, and actual content. Independent testing helps confirm that a sample matches its label and does not contain unexpected contaminants. This is important for reproducible research and for interpreting experimental results.
Laboratories commonly use liquid chromatography coupled with mass spectrometry to detect SR9009. The method can identify the compound and estimate concentration in a sample. Detection limits depend on the matrix and instrument.