A practical reference on research chemical: what it is, how it behaves, what the literature reports, and where the honest uncertainties sit.
Reviewed 2025-10-23. Anything still debated is marked as such rather than presented as settled.
Storage conditions for research-grade SR9009 generally involve a freezer at approximately minus twenty degrees Celsius, sometimes lower for long-term preservation. Containers should remain tightly closed and protected from light. Desiccants may be used to limit moisture uptake. Solutions are often stored in aliquots to avoid repeated warming and cooling. Stability data for the compound under various conditions are limited, so laboratories typically follow supplier recommendations and verify performance through periodic analytical checks rather than assuming indefinite stability.
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.
SR9009 is often grouped with compounds studied for circadian and metabolic regulation rather than with classical anabolic steroids. Its interactions with nuclear receptors differ from those of androgen receptor ligands, and its proposed mechanisms involve transcriptional control rather than direct hormone signaling. Some sources classify it as a metabolic modulator because of observed effects on energy utilization. The distinction matters for regulation and for interpreting research results across different compound classes.
SR9009 is a synthetic small molecule developed as a REV-ERB agonist. It binds to REV-ERBα and REV-ERBβ, nuclear receptors that help regulate circadian rhythms and metabolic gene expression. In cell and animal studies, the compound alters lipid and glucose handling and influences skeletal muscle oxidative capacity. Its exact effects in humans remain largely uncharacterized because controlled clinical trials have not been reported. The molecule is frequently described in preclinical literature as a metabolic modulator.
Research interest in SR9009 grew from studies showing improved running endurance in mice after short treatment periods. Those experiments linked the compound to increased mitochondrial content and fatty acid oxidation in muscle, but the findings come from animal models and specific dosing schedules. Independent replication has been limited, and the pathways connecting REV-ERB activation to exercise performance are still being mapped. Whether similar responses occur in humans is an open question.
| 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 |
Physicochemical behavior influences handling. SR9009 is described as a solid with limited aqueous solubility, so organic solvents such as dimethyl sulfoxide or ethanol are common in research stock solutions. Aqueous dilution can produce precipitates if the organic content is too low. Light, heat, and repeated freeze-thaw cycles may affect stability. Storage recommendations usually specify a desiccated freezer environment protected from light, but exact stability data depend on the formulation and matrix.
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.
SR9009 is a synthetic small molecule studied as an agonist of the nuclear receptors REV-ERBα and REV-ERBβ. These receptors help regulate circadian rhythms and metabolic gene expression. In laboratory experiments, SR9009 binds these receptors and alters transcription of genes involved in lipid handling, glucose metabolism, and mitochondrial function. It is not a naturally occurring compound and has no approved therapeutic use. Research interest stems from its ability to modify energy metabolism in cells and animal models.
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.
== Assessment == There are several methods available for the assessment of sudomotor function. They vary in cost, technical complexity, reproducibility, variability and the availability of normative data. However, all sudomotor function assessments are not specific for small fiber or sudomotor neuropathy, as they can also yield abnormal results from disorders of the sweat glands themselves. The following is a list of methods used in clinical practice and clinical research for sudomotor assessment. Thermoregulatory Sweat Test (TST) and Quantitative Sudomotor Axon Reflex Test (QSART) are considered the gold standards for assessment of sudomotor function. Newer methods may offer simpler, potentially more sensitive, and more widely available alternatives for screening and monitoring in the clinic of autonomic and small fiber neuropathies, particularly those associated with diabetes.
Director of National Intelligence Tulsi Gabbard noted the threat of nuclear-capable weapons from adversarial countries, stating that "Russia, China, North Korea, Iran, and Pakistan have been researching and developing an array of novel, advanced, or traditional missile delivery systems with nuclear and conventional payloads that put our homeland within range." Further, she cautioned that China and Russia had systems "capable of penetrating or bypassing U.S. missile defenses," while North Korea's missiles could already reach U.S. soil, and Pakistan's missiles "potentially" could as well.
Dipipanone 10 mg / cyclizine 30 mg tablets (Phoenix Healthcare Distribution Ltd) Dipipanone 10 mg / cyclizine 30 mg tablets (Alliance Healthcare (Distribution) Ltd) Dipipanone 10 mg / cyclizine 30 mg tablets (Advanz Pharma) All formulations contain the same dose, and differ only in manufacturer. As of November 2011 Amdipharm stopped making the Diconal brand tablets for the UK due to undisclosed commercial reasons. However the product is listed as available on the manufacturer's website as of July 1, 2014. General practitioners are now advised to prescribe it as generic dipipanone/cyclizine tablets.
Radium is a chemical element; it has symbol Ra and atomic number 88. It is the sixth element in group 2 of the periodic table, also known as the alkaline earth metals. Pure radium is silvery-white, but it readily reacts with nitrogen (rather than oxygen) upon exposure to air, forming a black surface layer of radium nitride (Ra3N2). All isotopes of radium are radioactive, the most stable isotope being radium-226 with a half-life of 1,600 years. When radium decays, it emits ionizing radiation as a by-product, which can excite fluorescent chemicals and cause radioluminescence. For this property, it was widely used in self-luminous paints following its discovery. Of the radioactive elements that occur in quantity, radium is considered particularly toxic, and it is carcinogenic due to the radioactivity of both it and its immediate decay product radon as well as its tendency to accumulate in the bones. Radium, in the form of radium chloride, was discovered by Marie and Pierre Curie in 1898 from ore mined at Jáchymov. They extracted the radium compound from uraninite and published the discovery at the French Academy of Sciences five days later. Radium was isolated in its metallic state by Marie Curie and André-Louis Debierne through the electrolysis of radium chloride in 1910, and soon afterwards the metal started being produced on larger scales in Austria, the United States, and Belgium.
== External links == GeneReviews/NCBI/NIH/UW entry on Familial Exudative Vitreoretinopathy, Autosomal Dominant This article incorporates text from the United States National Library of Medicine, which is in the public domain.
Sources: en.wikipedia.org
Part-time training was compulsory for all white males between 18 and 55, with a small number of exceptions for those in reserved occupations. On 25 May 1940 Southern Rhodesia, the last country to join the EATS, became the first to start operating an air school under it, beating Canada by a week. The SRAF was absorbed into the British Royal Air Force in April 1940, with No. 1 Squadron becoming No. 237 Squadron. The RAF subsequently designated two more Rhodesian squadrons, namely No. 266 Squadron in 1940 and No. 44 Squadron in 1941, in a manner similar to the Article XV squadrons from Australia, Canada and New Zealand.
== Treatment == The management of lipodermatosclerosis may include treating venous insufficiency with leg elevation and elastic compression stockings. In some difficult cases, the condition may be improved with the additional use of the fibrinolytic agent, stanozol. Fibrinolytic agents use an enzymatic action to help dissolve blood clots. Stanozol is injected directly into the affected area. Venous Ablation has also been known to help circulation in patients. Lifestyle changes such as maintaining a healthy weight & diet, exercising regularly, avoiding prolonged sitting or standing, and elevating your legs can play a significant role in managing lipodermatosclerosis and reducing its symptoms.
== Lipid transportation == Due to the hydrophobic nature of membrane lipids, triglycerides and cholesterol, they require special transport proteins known as lipoproteins. The amphipathic structure of lipoproteins allows the triglycerides and cholesterol to be transported through the blood. Chylomicrons are one sub-group of lipoproteins which carry the digested lipids from small intestine to the rest of the body. The varying densities between the types of lipoproteins are characteristic to what type of fats they transport. For example, very-low-density lipoproteins (VLDL) carry the triglycerides synthesized by our body and low-density lipoproteins (LDL) transport cholesterol to our peripheral tissues. A number of these lipoproteins are synthesized in the liver, but not all of them originate from this organ.
Japanese centenarians receive a silver cup and a certificate from the prime minister of Japan upon the Respect for the Aged Day following their 100th birthday, honouring them for their longevity and prosperity in their lives. In Madhya Pradesh, India, the award known as Shatayu Samman is given out to people who live at least 100 years to promote awareness of good health. North Korean centenarians receive a birthday congratulatory letter from the Supreme Leader of the DPRK. On 6 July 2022, Pak Hak Sil, a centenarian living in Koup-ri of Kangnam County, Pyongyang, received a birthday letter sent by Kim Jong Un. In the Philippines, Republic Act No. 10868 better known as the Centenarians Act of 2016 mandates that all living Filipinos residing in the Philippines or overseas receive a birthday congratulatory letter from the President of the Philippines and a ₱100,000 "Centenarian Gift" from the Department of Social Welfare and Development (DSWD). In Taiwan, people aged 100 or above receive a golden pendant necklace on Chong Yang Festival each year from the president and Ministry of Health and Welfare. Mahathir Mohamad became the first prime minister of Malaysia to reach the age of 100 on 10 July 2025. His wife, Siti Hasmah, reached the age of 100 on 12 July 2026; before passing away two months later due to heart failure.
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.
It is a synthetic REV-ERB agonist used mainly in preclinical research. It is not an approved medicine for human use.