Everything below concerns metabolic modulator. We keep the language plain, cite what the science says, and separate well-supported claims from open questions.
Last reviewed on 2025-08-13. Where a claim depends on a specific study, the study is described rather than over-claimed.
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.
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.
For long-term storage, SR9009 is typically kept as a solid at low temperature, protected from moisture and light. Desiccated conditions limit hydrolysis, while opaque containers reduce photochemical breakdown. Solutions are less stable than solids and are often stored frozen in aliquots to avoid repeated freeze-thaw cycles. Stability data are not standardized across all suppliers, so users should rely on certificate-of-analysis information when available. Degradation may appear as color change, precipitate, or decreased chromatographic purity.
Laboratory identification of SR9009 typically relies on chromatographic separation coupled to mass spectrometry, often with ultraviolet detection as a secondary check. Nuclear magnetic resonance spectroscopy can confirm molecular structure when a reference standard is available. Because many suppliers sell the compound as a research chemical, independent identity testing is important for experimental reproducibility. A single retention time is not sufficient proof of identity, especially when related compounds may be present. Purity assessments usually report a percentage based on area normalization.
SR9009 is generally described as poorly soluble in water and more soluble in organic solvents such as dimethyl sulfoxide and ethanol. Stock solutions are commonly prepared in an organic solvent before dilution into an aqueous buffer or vehicle. Precipitation can occur if the organic fraction is reduced too quickly or if the final concentration exceeds the compound's solubility limit. Sonication or gentle warming may aid dissolution in some protocols, but excessive heat can promote degradation. Container material and pH can also influence observed solubility.
| Property | Value | Notes |
|---|---|---|
| Molecular formula | C20H24ClN3O4S | Reported for the free base |
| Molecular weight | 437.9 g/mol | Calculated from the formula |
| Primary target | REV-ERBα and REV-ERBβ | Nuclear receptors involved in circadian regulation |
| Solubility | Soluble in DMSO and ethanol | Poorly soluble in water |
| Typical storage | -20 °C, desiccated | Protect from light and moisture |
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.
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.
== Mechanism of action == Unlike many other psychoactive drugs, lithium typically produces no obvious psychotropic effects (such as euphoria) in normal individuals at therapeutic concentrations. The specific biochemical mechanism of lithium action in stabilizing mood is unknown. However, it is known that lithium works at the level of G-proteins, PIP2, and other second messengers. Lithium carbonate is a white, odorless, alkaline powder. Upon ingestion, lithium becomes widely distributed in the central nervous system and interacts with a number of neurotransmitters and receptors, decreasing norepinephrine release and increasing serotonin synthesis by neurons in the brain. In vitro studies performed on serotonergic neurons from rat raphe nuclei have shown that when these neurons are treated with lithium, serotonin release is enhanced during a depolarization compared to no lithium treatment and the same depolarization. Lithium has a plethora of proposed molecular targets:
== Contraindications == Due to its effects on blood pressure (generally a transient increase in systolic blood pressure by 6 mmHg, and diastolic blood pressure by 3 mmHg), bremelanotide is considered contraindicated in people with uncontrolled high blood pressure or cardiovascular disease. As long as bremelanotide is not used more than once in one day, it is not expected to cause more severe increases in blood pressure.
A distinctive abnormality in skeletal muscle fibres on the cellular level; observable via light microscope Symptoms of muscle weakness and hypotonia Is a congenital disorder, meaning it occurs during development and symptoms present themselves at birth or in early life. Is a genetic disorder.
==== 1900–1999 ==== Local Government (Scotland) Act 1975 (Local Authority Borrowing Limit) Order 1993 (S.I. 1993/1900) Nurses, Midwives and Health Visitors (Entry to Examinations and Training Requirements) Amendment Rules Approval Order 1993 (S.I. 1993/1901) Trade Union Reform and Employment Rights Act 1993 (Commencement No. 1 and Transitional Provisions) Order 1993 (S.I. 1993/1908) Trade Union Ballots and Elections (Independent Scrutineer Qualifications) Order 1993 (S.I. 1993/1909) Teddington Memorial Hospital National Health Service Trust (Establishment) Amendment Order 1993 (S.I. 1993/1932) Money Laundering Regulations 1993 (S.I. 1993/1933) Public Telecommunication System Designation (Scottish Hydro-Electric plc) Order 1993 (S.I. 1993/1934) Public Telecommunication System Designation (Energis Communications Limited) Order 1993 (S.I. 1993/1935) Education (Assisted Places) (Amendment) Regulations 1993 (S.I. 1993/1936) Education (Assisted Places) (Incidental Expenses) (Amendment) Regulations 1993 (S.I. 1993/1937) Education (Grants) (Music and Ballet Schools) (Amendment) Regulations 1993 (S.I. 1993/1938) Social Security (Disability Living Allowance) (Amendment) Regulations 1993 (S.I. 1993/1939) Food Protection (Emergency Prohibitions) (Paralytic Shellfish Poisoning) (No.4 and No.7) Orders 1993 Revocation Order 1993 (S.I. 1993/1940) Value Added Tax (General) (Amendment) (No. 6) Regulations 1993 (S.I. 1993/1941) Road Vehicles (Construction and Use) (Amendment) (No. 1) Regulations 1993 (S.I. 1993/1946) Tobacco Products Labelling (Safety) Amendment Regulations 1993 (S.I.
== Research == In 2018, the World Health Organization listed snakebite envenoming as a neglected tropical disease. In 2019, they launched a strategy to prevent and control snakebite envenoming, which involved a program targeting affected communities and their health systems. A policy analysis however found that the placement of snakebite in the global health agenda of WHO is fragile due to reluctance to accept the disease in the neglected tropical disease community and the perceived colonial nature of the network driving the agenda. Key institutions conducting snakebite research on snakebite are the George Institute for Global Health, the Liverpool School of Tropical Medicine, and the Indian Institute of Science.
Sources: en.wikipedia.org
=== Institution === Filomena Teixeira launched in 2007 an association for missing children, the Association of Family Members of Portuguese Missing Children. At the inauguration was Laurinda Meira, the mother of Rui Pereira, who disappeared in Famalicão, also in 1998. Two thousand children were also present.
=== Molten oxide electrolysis === Molten oxide electrolysis (MOE) uses electrolysis of molten iron oxide to yield metallic iron. It is studied in laboratory-scale experiments and is proposed as a method for industrial iron production that has no direct emissions of carbon dioxide. It uses a liquid iron cathode, an anode formed from an alloy of chromium, aluminium and iron, and the electrolyte is a mixture of molten metal oxides into which iron ore is dissolved. The current keeps the electrolyte molten and reduces the iron oxide. Oxygen gas is produced in addition to liquid iron. The only carbon dioxide emissions come from any fossil fuel-generated electricity used to heat and reduce the metal.
== Associated cancers == Numerous in vivo and in vitro studies have demonstrated that PhIP is a potent mutagen and can induce tumors of multiple sites in animal models. PhIP was positive in bacterial (Ames) test and induced chromosomal abnormalities in human and Chinese hamster cells in vitro. PhIP has also formed DNA adducts in vivo in both rats and monkeys. PhIP has been tested for carcinogenicity in both mice and rats by oral administration. Increases in lymphomas were seen in mice and increases in adenocarcinomas of the small and large intestine in males and mammary adenocarcinomas in female were seen in rats. Also, an increasing number of epidemiological studies have evaluated the association of well-done meat intake and HCA exposure with cancer risk in humans. In general, these studies have reported that high intake of well-done and/or high exposure to PhIP may be associated with cancer of the colorectum, breast, prostate, pancreas, lung, stomach, and esophagus. PhIP has been shown to induce DNA adducts and mutations. These adducts have been found in a wide variety of sensitive tissues and organs such as the colon. However, adducts also formed in sites that did not commonly form tumors, such as the kidneys. In humans receiving a dose of PhIP equivalent to that found in very well-done chicken, DNA and protein adducts were formed in the colon and blood. However, the adducts were unstable and declined over a 24-hour period.
Sabah, where all tabloids but one are independent of government control, has the freest press in Malaysia. Laws such as the Printing Presses and Publications Act have also been cited as curtailing freedom of expression.
Sources: en.wikipedia.org
It is a synthetic REV-ERB agonist used mainly in preclinical research. It is not an approved medicine for human use.
It binds to REV-ERBα and REV-ERBβ, nuclear receptors involved in circadian and metabolic gene regulation. This can alter transcription of genes related to lipid and glucose metabolism in experimental models.
No controlled human trials have established that effect. Endurance findings come primarily from rodent studies, and human responses remain unknown.
Liquid chromatography with mass spectrometry is a common approach. Ultraviolet detection and nuclear magnetic resonance can support identification when suitable standards are available.