Everything below concerns REV-ERB agonist. We keep the language plain, cite what the science says, and separate well-supported claims from open questions.
Updated 2025-08-02. Numbers and descriptions here follow the published literature rather than marketing material.
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.
The mechanism of action involves binding to REV-ERB receptors and recruiting corepressor complexes, which represses target gene transcription. This contrasts with many nuclear receptor agonists that activate transcription. Downstream effects may include changes in autophagy, mitochondrial biogenesis, and lipid handling, but the precise pathways remain an active area of study. Whether these molecular events translate into meaningful physiological effects in humans is unresolved. Most evidence comes from cultured cells and rodent models rather than human participants.
SR9009 is a synthetic small molecule developed as an agonist of the nuclear receptors REV-ERBα (NR1D1) and REV-ERBβ (NR1D2). These receptors help regulate circadian rhythms and metabolic gene expression. In cell and animal studies, SR9009 alters transcription of genes involved in lipid metabolism, inflammation, and mitochondrial function. It is not an approved medicine, and its pharmacological profile in humans remains largely uncharacterized. The compound is frequently discussed in the context of circadian biology and metabolic research rather than clinical use.
Preclinical reports have linked SR9009 to improved endurance and altered energy expenditure in rodents. Such findings have prompted interest in whether REV-ERB activation can influence skeletal muscle metabolism. However, the reported effects depend on dose, route, and experimental model, and replication across laboratories is limited. Human trials have not established comparable outcomes, so claims about exercise performance remain speculative. The absence of controlled human data is a central limitation in interpreting these observations.
| 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 |
Regulatory status varies by country and intended use. Major drug agencies have not granted marketing authorization for SR9009 as a medicine, and it is not listed as a controlled substance in many jurisdictions. It is often sold as a research chemical, a category that may fall outside pharmaceutical manufacturing rules. Buyers should verify local laws and supplier documentation, including certificates of analysis. The lack of standardized quality controls raises concerns about identity, purity, and actual content in products marketed online.
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.
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.
Regulatory treatment of SR9009 reflects its investigational status. The compound has no approved human therapeutic indication, and sports authorities prohibit its use. It appears on anti-doping lists as a non-approved substance or metabolic modulator, depending on the list version. Products sold online as research chemicals are not quality-controlled medicines, so their identity and purity can differ from the label. Such products may also contain unlisted compounds, which complicates both testing and safety assessment.
Scientific discussion of SR9009 often separates animal evidence from human anecdote. Rodent studies provide controlled data on endurance, metabolism, and gene expression, but they use specific strains, doses, and treatment durations. Human reports are mostly uncontrolled and cannot establish cause and effect. Open questions include oral bioavailability, tissue distribution, metabolic stability, and long-term effects. Review articles generally call for more rigorous pharmacokinetic and safety research before any clinical use could be considered.
Analytical methods for SR9009 typically rely on liquid chromatography coupled with tandem mass spectrometry. The technique can separate the parent compound from related substances and detect low concentrations in biological matrices. Urine and blood are common samples in anti-doping testing, while in vitro studies may use cell culture media. Rapid metabolism and low expected concentrations make method validation important for reliable identification. Exact metabolite patterns can vary by species and are not fully mapped.
karyotype The number and appearance of chromosomes within the nucleus of a eukaryotic cell, especially as depicted in an organized karyogram or idiogram (in pairs and arranged by size and by position of the centromere). The term is also used to refer to the complete set of chromosomes in a species or individual organism or to any test that detects this complement or measures the chromosome number.
Four of Kissinger's aides resigned in protest, while the Cambodian "incursion" ended several of Kissinger's friendships with colleagues from Harvard when he chose not to resign. Two of Kissinger's senior aides, Anthony Lake and Roger Morris, in a joint resignation letter, stated they could not in good conscience continue to serve the administration. Nixon, in his memoirs, claimed that Kissinger "took a particularly hard line" with regards to the "Cambodian incursion". Morris recalled that Kissinger was frightened by the huge antiwar demonstrations, comparing the antiwar movement to the Nazis. Kissinger was afraid to go home to his apartment, and instead lived in his office at the White House basement during the protests against the "Cambodian incursion". Kissinger was haunted by memories of his youth in Germany and had a deep distrust of mass movements of either the left or the right, favoring the Primat der Aussenpolitik school of foreign policy-making by an elite with the masses excluded. In his interview with Karnow, Kissinger maintained he felt torn about where he stood and blamed Nixon for his failure to find "the language of respect and compassion that might have created a bridge at least to the more reasonable elements of the antiwar movement". When several Harvard professors called on Kissinger to resign, he claimed: "If you only knew what I am staving off the right", claiming he was opposed to the invasion.
=== Medical === Puffballs are a known styptic and have long been used as wound dressing, either in powdered form or as slices 3 cm thick. Authors Hui-Yeng Y. Yap, Mohammad Farhan Ariffeen Rosli, et al. found evidence to suggest that C. gigantea was "traditionally used by American Indians, Nigerian and German folks" for this purpose. The authors, however, did not specify the preferred form of wound dressing (e.g., powdered or sliced). In addition to consuming the mushroom, the Māori people of New Zealand used it to stem bleeding and treat burns.
=== 1928–1999 === In 1928, June Hobbs and a nurse opened Lake Wales' first hospital; it had nine beds and was in a two-story apartment. About one year later it closed. In 1929, Lake Wales, Highland Park and Mountain Lake raised $80,000 to build a 25-bed hospital. Lake Wales Hospital opened on March 12, 1930. Additional bedrooms were added in 1948 and 1956, increasing the number of beds to 60. In 1965, a new 110-bed hospital was built. Nine years later the third floor opened, increasing the number of beds to 154, and the original hospital became a medical office building. In 1985, construction workers began the construction of the Deeley A. Hunt Building, a 120-bed nursing home attached to the hospital. In 1993, Lake Wales Hospital merged with its nursing home and was renamed Lake Wales Medical Centers. Also in 1993, the hospital became part of Mid Florida Medical Services. In late November 1999, the Winter Haven Hospital Board of Trustees voted unanimously on expansion and renovation of Lake Wales Medical Center. They also approved the demolition of the former hospital.
Following his trial and conviction at Bristol Crown Court, Darren Osment, 40, is sentenced to life imprisonment with a minimum of 20 years for the 2012 murder of his partner, Claire Holland, 32, whose body has never been found. Following a trial at Birmingham Crown Court, Kian Durnin, Martinho De-Sousa, and Tireq McIntosh, are each sentenced to 23 years in prison for their part in a shooting attack at a Wolverhampton park during which two children were injured. 21 December – The UK government confirms that British Sign Language will be taught at GCSE level in England from September 2025. 22 December – Secretary of State for Transport Mark Harper announces that regulated train fares in England will rise by 4.9% from March 2024. 23 December – Rebecca Welch becomes the first female referee to officiate at a Premier League match as Fulham play Burnley at Craven Cottage. 24 December – A 22-year-old woman is stabbed to death during an incident in Bermondsey, south London. A 16-year-old boy is subsequently arrested on suspicion of murder. 26 December – Sam Allison becomes the first black referee to take charge of a Premier League match for 15 years when he officiates at Sheffield United's game against Luton Town. 27 December – A murder investigation is under way after a car struck a crowd of people outside a property in Sheffield, South Yorkshire, killing a 40-year-old man. 28 December – Three men are drowned after a 4x4 vehicle plunges into the River Esk in North Yorkshire.
Sources: en.wikipedia.org
==== Mechanism ==== Number of chiral environments are created within the polymer. Cavities are formed between adjacent glucose units, and spaces/channels between polysaccharide chains. These chiral cavities or channels give the chiral discrimination capability to polysaccharide CSPs. The mechanism of Chiral discrimination is not well understood but believed to involve hydrogen bonding and dipole-dipole interaction between the analyte molecule and the ester or carbamate linkage of the CSP.
"In particular, wild boars in southern Bavaria are repeatedly found to have a very high radioactive contamination of over 10,000 Becquerel/kg. The limit is 600 Becquerel/kg. For this reason, the Bavarian Consumer Center advises against eating wild boar from the Bavarian Forest and south of the Danube too often. Whoever buys wild boar from a hunter, should ask for the measurement protocol."
Organic molecular cages can be viewed as being composed of nodes and linkers. Nodes are the cornerstones of cage architecture and are typically rigid. Common node geometries include trigonal (three-directional), tetrahedral (four-directional), and octahedral (six-directional). Complementing the nodes, linkers connect these vertices to complete the cage. These linkers are typically linear or slightly bent organic molecules that contain pairs reactive end groups. Typical linkers are dialdehydes, diamines, and diboronic acids.
the establishment and maintenance of lot numbers; a standardized format for pedigree information; and the use of a common nomenclature for food with a goal of identifying each person who grows, produces, manufactures, processes, packs, transports, holds, or sells food in as short a timeframe as practicable but no longer than 2 business days. The measure has since died in the Senate. In parallel, the White House created a Food Safety Working Group which has issued statements calling for a national traceability system that would enhance traceability of all food, but without specifically endorsing a particular approach.
==== Emergency Flying Rations (EFR) Mark 4 ==== The Mark 4 EFR is designed for crews of fast jets. It consists of a flat tin it contains 100 g of fruit flavoured sweets, (9 to be eaten each day) 2 spring handles and a plastic bag. The container can be used for boiling water and hot drinks can be made by dissolving the sweets in hot water. The Mark 4 EFR is built into ejector seats.
Sources: en.wikipedia.org
=== Minor leagues (1949–51) === Mizell's first team was the Albany Cardinals of the Class D Georgia–Florida League. His first pitch for the team sailed 20 feet over the backstop. Overcoming homesickness, he went on to help Albany win the pennant. He had a 12–3 record and a 1.95 earned run average (ERA) for Albany, recording 175 strikeouts in 141 innings pitched. Promoted to the Class B Winston-Salem Cardinals of the Carolina League in 1950, Mizell got off to a 1–6 start. However, he went on to post a 17–7 record, finishing tied (with Wes Livengood) for fourth in the Carolina League in wins and second (behind Woody Rich) in ERA with a 2.48 mark. He struck out 227 batters in 207 innings, leading Winston-Salem to a championship. In the last game of the season, he hit a home run, the only professional one of his career, which he referred to as a $220 home run because fans passed a hat around and donated that sum in appreciation of his efforts. One night during the season, he sang country music over the public address system at South Side Park and rode around the field on a mule. In 1951, Mizell pitched for the Houston Buffaloes of the Class AA Texas League. The team held a "Vinegar Bend Night," flying in 32 visitors reportedly from the town in Alabama for the evening's game. Because the town was so small, Mizell said that some of the guests "must've come from the suburbs." He had 15 strikeouts in that game, a 3–1 loss to the Shreveport Sports. In another outing, against the Dallas Eagles, he struck out 18 batters, tying the league's single-game record.
stringency The effect of conditions such as temperature and pH upon the degree of complementarity that is required for a hybridization reaction to occur between two single-stranded nucleic acid molecules. In the most stringent conditions, only exact complements can successfully hybridize; as stringency decreases, an increasing number of mismatches can be tolerated between the two hybridizing strands.
Cure T1D by restoring the body’s ability to produce insulin and stopping T1D before it occurs or providing insulin independence through replacement with insulin-producing cells. Improve lives by minimizing the effects of T1D as much as possible until new T1D resources, technologies, and therapies are discovered. Breakthrough T1D prioritizes four strategic research areas; autoimmune therapies, cell therapies, prevention of complications, and glucose control.
== Structure == While an Army unit, the Selous Scouts came under the operational control of Special Branch from its establishment in November 1973. This involved Special Branch controlling where the unit operated and how the intelligence it collected was used. Special Branch also had some influence over the Selous Scouts' training. In terms of Army hierarchy, the Selous Scouts reported directly to Walls. The unit was under orders from Special Branch to not pass any information directly to the Rhodesian Directorate of Military Intelligence, which contributed to very little of the intelligence it collected being provided to Army units. The Selous Scouts and other Rhodesian special forces continued to report directly to Walls for military purposes after he became the Commander of Combined Operations (COMOPS) in 1977. The Army headquarters provided administrative and logistical support. As the Selous Scouts increased in size and increasingly undertook offensive operations it became impossible for Special Branch to adequately oversee the unit. Each troop within the Selous Scouts comprised three sections, each usually with nine to twelve men. The size of sections varied, however, and could be as large as 30 men. Selous Scout teams usually included both black and white personnel, with the men forming close bonds. Until almost the end of the war, all of the officers in the Selous Scouts were white.
Civil and criminal cases filed in the United States against UCC and Warren Anderson, chief executive officer of the UCC at the time of the disaster, were dismissed and redirected to Indian courts on multiple occasions between 1986 and 2012, as the US courts focused on UCIL being a standalone entity of India. Civil and criminal cases were also filed in the District Court of Bhopal, India, involving UCC, UCIL, and Anderson. In June 2010, seven Indian nationals who were UCIL employees in 1984, including the former UCIL chairman Keshub Mahindra, were convicted in Bhopal of causing death by negligence and sentenced to two years' imprisonment and a fine of about $2,000 each, the maximum punishment allowed by Indian law. All were released on bail shortly after the verdict. An eighth former employee was also convicted, but died before the judgement was passed.
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 compound that acts as an agonist at REV-ERBα and REV-ERBβ. It is used mainly as a research chemical to study circadian and metabolic pathways. It is not approved for human therapeutic use.