A practical reference on WADA: what it is, how it behaves, what the literature reports, and where the honest uncertainties sit.
This page was last updated on 2026-07-21 and is reviewed periodically as new material appears.
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.
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.
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.
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.
| 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. |
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.
Because REV-ERB receptors are core clock components, SR9009 has been examined for effects on daily rhythms as well as metabolism. Research has explored whether the compound can shift or reinforce circadian gene expression in tissues such as liver and muscle. Some studies report improved metabolic markers in obese or diabetic mice, while others show context-dependent responses. Questions remain about which effects are direct, which are secondary to timing, and how they might differ across species.
SR9009 is a synthetic small molecule studied as an agonist of REV-ERB nuclear receptors. REV-ERB alpha and REV-ERB beta help regulate circadian rhythms and metabolic gene expression. In laboratory research, SR9009 has been used to probe how these receptors affect skeletal muscle, liver, and adipose tissue. The compound was identified in academic drug-discovery work and is often described in scientific literature by its chemical name and research code. It is not an approved medicine, and human clinical data remain limited or absent.
=== Antimicrobial preservatives === Antimicrobial preservatives prevent degradation by bacteria. This method is the most traditional and ancient type of preserving—ancient methods such as pickling and adding honey prevent microorganism growth by modifying the pH level. The most commonly used antimicrobial preservative is lactic acid. Common antimicrobial preservatives are presented in the table. Nitrates and nitrites are also antimicrobial. The detailed mechanism of these chemical compounds range from inhibiting growth of the bacteria to the inhibition of specific enzymes.
==== Dimethyltryptamine ==== Dimethyltryptamine (DMT) is a naturally occurring, serotonergic hallucinogen found in plants and mammals, classified as a DEA Schedule I substance with no accepted medical use, and under investigation for clinical applications. Ayahuasca's psychoactive effects stem mainly from DMT, made orally active by MAOIs in the B. caapi vine, and its activation of serotonin receptors, particularly 5-HT2A, with additional contributions from harmine and harmaline.
==== Social ==== Because oxytocin plays a role in social bonding, maternal behaviors and emotional connections between people, it is also informally referred to as the "love hormone". This term is not a medical or scientific name but is often used to describe oxytocin's effects on human behavior and emotions.
==== Egypt ==== Egypt approved Viagra for sale in 2002, but soon afterwards allowed local companies to produce generic versions of the drug, citing the interests of poor people who would not be able to afford Pfizer's price.
Sources: en.wikipedia.org
Deborah Ann Dingell ( DING-gəl; née Insley; November 23, 1953) is an American politician serving as a U.S. representative from Michigan since 2015, representing the state's 6th congressional district since 2023. A member of the Democratic Party, she succeeded her late husband, John Dingell, who was the longest-serving member of Congress in U.S. history. Dingell is active in several organizations in Michigan and Washington, D.C., and serves on a number of boards. She is a founder and past chair of the National Women's Health Resource Center and the Children's Inn at the National Institutes of Health (NIH). She is also a member of the board of directors for Vital Voices Global Partnership. She is a 1975 graduate of the Edmund A. Walsh School of Foreign Service at Georgetown University. She worked as a consultant to the American Automobile Policy Council. She was a superdelegate for the 2012 Democratic National Convention in Charlotte, North Carolina.
=== Provincial funding === Shortly after the first human trials on PTX-COVID19-B began in late January, on February 11, 2021, Manitoba Premier Brian Pallister announced a "term sheet" between the province and Providence Therapeutics through which Manitoba would receive 2 million doses of PTX-COVID19-B pending its approval by Health Canada. The term sheet includes "best-price guarantee" PTX-COVID19-B. According to a provincial statement released by the Manitoba government, pending approval of the vaccine, the actual manufacturing would take place in Winnipeg by Emergent BioSolutions. Pallister said that, "Building a secure, made-in-Canada vaccine supply will put Canadians at the head of the line to get a COVID vaccine, where we belong." The down payment would be 20% with a subsequent 40% to be paid when the vaccine was approved by Health Canada; the balance would be paid on delivery of the doses. Specifics about the contract were released in April 2021: the total cost was estimated as CAD$36 million and the agreement included a clause for a non-refundable advance payment of CAD$7.2 million. Sorenson made this comment to Global News: "Under no circumstances is Manitoba going to be on the hook for $7.2 million unless they get real value out of it".
Co-founder of Petra Pharma (with Nathanael Gray). Co-founder of Agios Pharmaceuticals (with Tak Mak and Craig B. Thompson). Co-founder of Volastra Therapeutics (with Sam Bakhoum and Olivier Elemento), developing treatments targeting chromosomal instability in cancer. Co-founder of Marendis Therapeutics (with Tomer Yaron-Barir and Olivier Elemento), targeting drug resistance in cancer.
==== Other actions ==== Tianeptine modestly enhances the mesolimbic release of dopamine and potentiates CNS D2 and D3 receptors. Tianeptine has no affinity for the dopamine transporter or the dopamine receptors. CREB-TF (CREB, cAMP response element-binding protein) is a cellular transcription factor. It binds to certain DNA sequences called cAMP response elements (CRE), thereby increasing or decreasing the transcription of the genes. CREB has a well-documented role in neuronal plasticity and long-term memory formation in the brain. Cocaine- and amphetamine-regulated transcript, also known as CART, is a neuropeptide protein that in humans is encoded by the CARTPT gene. CART appears to have roles in reward, feeding, stress, and it has the functional properties of an endogenous psychostimulant. Taking into account that CART production is upregulated by CREB, it could be hypothesized that due to tianeptine's central role in BDNF and neuronal plasticity, this CREB may be the transcription cascade through which this drug enhances mesolimbic release of dopamine. Research indicates possible anticonvulsant (anti-seizure) and analgesic (painkilling) activity of tianeptine via downstream modulation of adenosine A1 receptors (as the effects could be experimentally blocked by antagonists of this receptor). Tianpetine is also weak histone deacetylase (HDAC) inhibitor, specifically of HDAC1 and HDAC2 but not of HDAC3, and analogues with greatly increased potency such as tianeptinaline have been developed.
== History == The term "food drunk" has sometimes been used to describe the supposed state of a person after overeating. In October 1905, Thomas Edison (then 58 years old) declared that "the country is food drunk.... the people eat too much and sleep too much, and don't work enough". The phrase was echoed by Dr J E Rullfson of Toledo after fasting for sixty days from January 5, 1907. He held that the entire human race is food drunk, saying "the dinner eaten by Napoleon just before the Battle of Leipzig proved so indigestible that the monarch's brain was clouded and as a result the battle was lost and a pie which King Philip failed to digest caused the revolt of the Netherlands."
Sources: en.wikipedia.org
The Bowery Theatre was a 19th-century playhouse at 46 Bowery. It was founded in the 1820s by rich families to compete with the upscale Park Theatre. By the 1850s, the theatre came to cater to immigrant groups such as the Irish, Germans, and Chinese. It burned down four times in 17 years, and a fire in 1929 destroyed it for good.
Some vaccines contain live, attenuated microorganisms. Many of these are active viruses that have been cultivated under conditions that disable their virulent properties, or that use closely related but less dangerous organisms to produce a broad immune response. Although most attenuated vaccines are viral, some are bacterial in nature. Examples include the viral diseases yellow fever, measles, mumps, and rubella, and the bacterial disease typhoid. The live Mycobacterium tuberculosis vaccine developed by Calmette and Guérin is not made of a contagious strain but contains a virulently modified strain called "BCG" used to elicit an immune response to the vaccine. The live attenuated vaccine containing strain Yersinia pestis EV is used for plague immunization. Attenuated vaccines have some advantages and disadvantages. Attenuated, or live, weakened, vaccines typically provoke more durable immunological responses. Attenuated vaccines also elicit a cellular and humoral response. However, they may not be safe for use in immunocompromised individuals, and on rare occasions mutate to a virulent form and cause disease.
Nestlé's factory in Heilongjiang was also implicated: the Taiwanese Department of Health forced the delisting of six Neslac and KLIM products on 2 October for containing minute traces of melamine, although the minister said they did not pose a significant health risk. Since the milk crisis broke, Nestlé says it has sent 20 specialists from Switzerland to five of its Chinese plants to strengthen chemical testing. On 31 October, it announced the opening of a $10.2 million Beijing research and development centre, to "serve as the base and the reference in food safety for Nestlé in Greater China". Nestlé Chief Technology Officer said the centre was equipped with "highly sophisticated analytical tools for detecting trace amounts of residues and undesirable compounds like melamine or veterinary drugs or natural toxins".
=== Discovery of DNA structure and function === Deoxyribonucleic acid (DNA) was first discovered and isolated by Friedrich Miescher in 1869, but it remained under-studied for many decades because proteins, rather than DNA, were thought to hold the genetic blueprint to life. This situation changed after 1944 as a result of some experiments by Oswald Avery, Colin MacLeod, and Maclyn McCarty demonstrating that purified DNA could change one strain of bacteria into another. This was the first time that DNA was shown capable of transforming the properties of cells. In 1953, James Watson and Francis Crick put forward their double-helix model of DNA, based on crystallized X-ray structures being studied by Rosalind Franklin. According to the model, DNA is composed of two strands of nucleotides coiled around each other, linked together by hydrogen bonds and running in opposite directions. Each strand is composed of four complementary nucleotides – adenine (A), cytosine (C), guanine (G) and thymine (T) – with an A on one strand always paired with T on the other, and C always paired with G. They proposed that such a structure allowed each strand to be used to reconstruct the other, an idea central to the passing on of hereditary information between generations.
=== Knoxville in the Gilded Age === Swiss immigrant Peter Staub built Knoxville's first opera house, Staub's Theatre, on Gay Street in 1872. This was also one of the first major structures designed by architect Joseph Baumann, who would design many of the city's more prominent late-19th-century buildings. During this same period, the Lamar House Hotel, located across the street from the theater, was a popular gathering place for the city's elite. The hotel hosted lavish masquerade balls, and served oysters, cigars, and imported wines. Initially a place for farmers to sell produce, Market Square had evolved into one of the city's commercial and cultural centers by the 1870s. The square's most notable business was Peter Kern's ice cream saloon and confections factory, which hosted numerous festivals for various groups in the late 19th century. The square also attracted street preachers, early country musicians, and political activists. Women's suffragist Lizzie Crozier French was delivering speeches on Market Square as early as the 1880s. After the Civil War, Thomas William Humes was named president of East Tennessee University (renamed the University of Tennessee in 1879), and managed to acquire for the institution the state's Morrill Act land-grant funds, allowing the school to expand. In 1886, Charles McClung McGhee established the Lawson McGhee Library, named for his late daughter, which became the basis of Knox County's public library system. In 1873, Humes managed to obtain a Peabody Fund grant that allowed Knoxville to establish a public school system.
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.
Legality depends on the country and the intended use. In many places it is not approved as a medicine and may be sold only as a research chemical. Importation or possession can be restricted, and sports organizations prohibit it.