Everything below concerns storage stability. We keep the language plain, cite what the science says, and separate well-supported claims from open questions.
Updated 2026-08-01. Numbers and descriptions here follow the published literature rather than marketing material.
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.
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.
| 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 |
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.
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.
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.
SR9009 is frequently discussed alongside other REV-ERB ligands, including synthetic agonists and natural heme-related molecules. Its selectivity for REV-ERB over related nuclear receptors has been measured in binding and reporter assays, though off-target activity at higher concentrations is possible. The compound is prohibited in sport by the World Anti-Doping Agency, and it is not approved for any medical use in major jurisdictions. Products sold online may be labeled as research chemicals, and their identity and purity are not guaranteed by regulatory review.
SR9009 is a synthetic small molecule that acts on the nuclear receptors REV-ERBα and REV-ERBβ. These receptors are part of the circadian clock machinery and normally repress transcription of certain target genes. In laboratory research, SR9009 is used as a chemical tool to study how REV-ERB activity influences metabolism, inflammation, and daily biological rhythms. The compound is not an approved medicine, and its effects in humans remain largely uncharacterized. It is often described as an investigational agent rather than a therapeutic product.
REV-ERB proteins typically suppress gene expression by recruiting corepressor complexes to DNA response elements. SR9009 binds these receptors and strengthens that repressive action in cell-based assays. Studies in rodents have reported changes in lipid handling, mitochondrial function, and exercise capacity after treatment. Such findings are often cited as evidence for metabolic effects, but species differences and limited pharmacokinetic data make direct translation to humans uncertain. Researchers continue to examine which effects are robust and which depend on specific experimental conditions.
=== Dyeing === A natural purple dye extracted from Parmotrema perlatum using ammonia fermentation showed optimal results, with a notable dye yield and effective application on silk fabric. The study demonstrated the dye's potential as a sustainable alternative to synthetic dyes, with satisfactory colour fastness and fabric strength enhancement. Recent research highlights the antimicrobial, antioxidant, and photocatalytic capabilities of zinc oxide nanoparticles synthesised using Parmotrema perlatum, marking a significant step towards sustainable dyeing practices and broadening the lichen's applicative horizons.
Office buildings – This category includes single-tenant properties, small professional office buildings, downtown skyscrapers, and everything in between. Retail Shops/Restaurants – This category includes pad sites on highway frontages, single tenant retail buildings, inline multi-tenant retail, small neighborhood shopping centers, larger community centers with grocery store anchor tenants, lifestyle centers that blend both indoor and outdoor shopping, "power centers" with large anchor stores such as Best Buy, PetSmart, OfficeMax, and Shopping Malls that usually house many indoor stores. Multifamily residential – This category includes apartment complexes or high-rise apartment buildings. Generally, anything larger than a fourplex is considered commercial real estate. Land – This category includes investment properties on undeveloped, raw, rural land in the path of future development. Or, infill land with an urban area, pad sites, and more. Industrial - This category includes warehouses, large R&D facilities, cold storage or cold chain properties, and distribution centers. Miscellaneous – This catch all category would include any other nonresidential properties such as hotel, hospitality, medical, and self-storage developments, as well as many more.
Invented in 1888 by Max Ams, modern double seams provide an airtight seal to a can. This airtight nature is crucial to keeping micro-organisms out of the can and keeping the can's contents sealed inside. Thus, double seamed cans are also known as Sanitary Cans. Developed in 1900 in Europe, this sort of can was made of the traditional cylindrical body made with tin plate. The two ends (lids) were attached using what is now called a double seam. A can thus sealed is impervious to contamination by creating two tight continuous folds between the can's cylindrical body and the lids. This eliminated the need for solder and allowed improvements in manufacturing speed, reducing cost. Double seaming uses rollers to shape the can, lid and the final double seam. To make a sanitary can and lid suitable for double seaming, manufacture begins with a sheet of coated tin plate. To create the can body, rectangles are cut and curled around a die, and welded together creating a cylinder with a side seam. Rollers are then used to flare out one or both ends of the cylinder to create a quarter circle flange around the circumference. Precision is required to ensure that the welded sides are perfectly aligned, as any misalignment will cause inconsistent flange shape, compromising its integrity. A circle is then cut from the sheet using a die cutter. The circle is shaped in a stamping press to create a downward countersink to fit snugly into the can body. The result can be compared to an upside down and very flat top hat.
=== Canada === Wagyu cattle farming in Canada appeared after 1991 when the Canadian Wagyu Association was formed. Wagyu style cattle and farms in Canada are located in Alberta, Saskatchewan, Ontario, Quebec, British Columbia, Prince Edward Island, and Newfoundland and Labrador. Canadian Wagyu beef products are exported to the United States (including Hawaii), Australia, New Zealand, Korea, Taiwan, Singapore, Hong Kong and Europe.
The female is gravid for 50 to 59 days. The king cobra is the only snake that builds a nest using dry leaf litter, starting from late March to late May. Most nests are located at the base of trees, are up to 55 cm (22 in) high in the centre and 140 cm (55 in) wide at the base. They consist of several layers and have mostly one chamber, into which the female lays eggs. Clutch size ranges from 7 to 43 eggs, with 6 to 38 eggs hatching after incubation periods of 66 to 105 days. Temperature inside nests is not steady but varies depending on elevation from 13.5 to 37.4 °C (56.3 to 99.3 °F). Females stay by their nests between two and 77 days. Hatchlings are between 37.5 and 58.5 cm (14.8 and 23.0 in) long and weigh 9 to 38 g (0.32 to 1.34 oz). The king cobra was shown to be capable of facultative parthenogenesis. The parthenogenetic mechanism appears to be a variation of meiosis referred to as terminal fusion automixis in which there is fusion of the meiotic products formed at the anaphase II stage of meiosis. The venom of hatchlings is as potent as that of the adults. They may be brightly marked, but these colours often fade as they mature. They are alert and nervous, being highly aggressive if disturbed. The average lifespan of a wild king cobra is about 20 years.
Sources: en.wikipedia.org
Banting, Macleod, and student assistant Charles Best began the first experiment on May 17, 1921. On June 14, Macleod left for Scotland and advised remotely through the summer, returning on September 21. During this time, Banting and Best obtained mixed but encouraging results. Since they began with the hypothesis (months later falsified through their own work) that it was necessary to avoid the external secretion in order to obtain the internal secretion, they first used degenerated pancreas, then used foetal pancreas obtained from slaughterhouses. Progress accelerated through December 1921 as it was clarified that pancreatic extracts could be used without removing the external (digestive) secretion. As the group prepared for clinical trials, biochemist James Collip joined the team at Banting's request to help purify the extract for human injection. On January 23, 1922, Leonard Thompson was successfully treated with Collip's extract at Toronto General Hospital. Six more patients were treated by February 1922 and quickly experienced an improved standard of life. Other notable early recipients of insulin included Elizabeth Hughes, Constance Collier, James D. Havens, and Theodore Ryder. In April 1922, the Toronto group jointly authored a paper summarizing all work thus far, and formally proposed to name the extract "insulin". In October 1923, Banting and Macleod were awarded the Nobel Prize in Physiology based on a nomination by August Krogh for "the discovery of insulin and their exploration of its clinical and physiological characteristics".
Some studies report increased depressive symptoms and anxiety, potentially linked to the sensitization of the hypothalamic-pituitary-adrenal (HPA) axis and elevated cortisol levels. Others find no association or even reduced symptoms. Copper IUDs confer an increased risk of longer, heavier, and/or more painful menstrual periods.
However, some restaurants are designed to stand out, such as the restaurants at Fisherman's Wharf, San Francisco, and Westwood, Los Angeles, designed by architect Stephen Kanner.A typical contemporary location has an interior layout that includes a customer service counter with registers in front of a kitchen and food preparation area. There are separate storage areas for paper goods (napkins, bags, etc.) and "dry" food goods (potatoes, buns, etc.), as well as a walk-in refrigerator for perishable goods (lettuce, cheese, spread, etc.), and a dedicated meat refrigerator for burger patties. The customer area includes an indoor dining room with a combination of booths, tables, and bar-style seating. Outside seating is usually available as well, with tables and benches. Most newer restaurants contain a one-lane drive-through.
=== Reception by Appalachians === Many Appalachians appreciated the memoir's recounting of Vance's childhood experiences but protested the book's generalizations of those experiences to Appalachian culture. Some Appalachian critics argued that Vance caricatured Appalachia and relied on existing stereotypes. They blamed the book's popularity for amplifying these stereotypes. Further complaints included that Vance blamed poverty on individuals and their decisions rather than documented systemic and historic issues. Vance's critiques of Appalachian culture included calling many people in the community lazy, and the books' subtitle, "A Memoir of a Family and Culture in Crisis", offended some Appalachian critics with its implied condemnation of Appalachian culture. Other complaints said the book flattened Appalachian culture and erased its diversity. At the 2018 Appalachian Studies Association conference, Young Appalachian Leaders and Learners (Y'ALL) protested Vance during a panel by turning their chairs from him and singing "Which Side are You On?".
== Further reading == Tucker H (2012). Blood Work: A Tale of Medicine and Murder in the Scientific Revolution. W. W. Norton & Company. ISBN 978-0-393-34223-9. "Milk as a Substitute for Blood Transfusion", historical account, Scientific American, 13 July 1878, p. 19
Sources: en.wikipedia.org
== History == In 1998, MuscleTech launched Cell-Tech, a creatine-carbohydrate-alpha lipoic acid supplement. In September 2018, Muscletech is partnering up to Rob Gronkowski to create a high-protein candy bar. In October 2018, MuscleTech partnered with Homes For Our Troops. In April 2019, MuscleTech had partnered up with Tough Mudder. In July 2019, MuscleTech launched the Prime Series, a private label sports nutrition line exclusive to Amazon. In April 2021, MuscleTech is announced the addition of a new general manager. MuscleTech, through its parent company Iovate Health Sciences, is a partner of the Metabolism & Sports Science Lab at the University of Toronto. In February 2022, MuscleTech announced they are looking for their next Brand Superstar. In April 2024, Muscletech and Trust Group came to an agreement for Trust Group to manufacture and market MuscleTech products in the Brazilian market.
Sport in modern India is a nexus of little-known indigenous traditions and commercial sporting events with worldwide reach. Traditional sports such as kabaddi and kho-kho have experienced a resurgence, attracting large television audiences; on the other hand, kushti wrestling in rural akharas—often regarded by its practitioners as not so much a sport as a physical and moral regimen—has continued to survive away from the exposure of broadcasting. Cricket is India's most watched sport and a multi-billion dollar industry. The widespread popularity of chess among youth in southern India culminated in 18-year-old Gukesh Dommaraju of Chennai winning the undisputed World Chess Champion title in 2024. British intervention reshaped India's athletic landscape. It introduced cricket, football and field hockey and institutionalised polo—a sport whose history is a case of reverse migration from India to the West. Today, at the rural grassroots level, government initiatives like "Khelo India" have democratised athletics for traditionally overlooked youth. Rural soccer programs have employed teamwork to break down old caste barriers. State initiatives such as the Target Olympic Podium Scheme have expanded resources for female athletes; meanwhile, the prominent international victories of figures like boxer Mary Kom and badminton player P. V. Sindhu have challenged traditional gender stereotypes in sports. India has won eight men's cricket ICC tournament titles: two Cricket World Cups, three T20 World Cups, and three Champions Trophy titles.
== Signs and symptoms == Benign tumors are very diverse; they may be asymptomatic or may cause specific symptoms, depending on their anatomic location and tissue type. They grow outward, producing large, rounded masses which can cause what is known as a "mass effect". This growth can cause compression of local tissues or organs, leading to many effects, such as blockage of ducts, reduced blood flow (ischaemia), tissue death (necrosis) and nerve pain or damage. Some tumors also produce hormones that can lead to life-threatening situations. Insulinomas can produce large amounts of insulin, causing hypoglycemia. Pituitary adenomas can cause elevated levels of hormones such as growth hormone and insulin-like growth factor-1, which cause acromegaly; prolactin; ACTH and cortisol, which cause Cushing's disease; TSH, which causes hyperthyroidism; and FSH and LH. Bowel intussusception can occur with various benign colonic tumors. Cosmetic effects can be caused by tumors, especially those of the skin, possibly causing psychological or social discomfort for the person with the tumor. Vascular tissue tumors can bleed, in some cases leading to anemia.
Plasma is normally yellow due to bilirubin, carotenoids, hemoglobin, and transferrin. In abnormal cases, plasma can have varying shades of orange, green, or brown. The green color can be due to ceruloplasmin or sulfhemoglobin. The latter may form due to medicines that are able to form sulfonamides once ingested. A dark brown or reddish color can appear due to hemolysis, in which methemoglobin is released from broken blood cells. Plasma is normally relatively transparent, but sometimes it can be opaque. Opaqueness is typically due to elevated content of lipids like cholesterol and triglycerides.
Miller (1992), professor of law at the University of Iowa Matthew Shum (1992), professor of economics at California Institute of Technology Victor Fleischer (1993), professor of law at University of California, Irvine Valerie Purdie Greenaway (1993), professor of psychology and first African-American to receive tenure in the sciences at Columbia University Michelle Hartman (1993), professor of Arabic and francophone literature at McGill University Soyoung Lee (1993), chief curator of the Harvard Art Museums Seth Rockman (1993), professor at Brown University, co-recipient of the 2010 Merle Curti Award David Rosen (1993), professor at Trinity College, Connecticut, recipient of the 2013 James Russell Lowell Prize David Eisenbach (1994), historian on media and politics; narrator, 10 Things You Don't Know About François Furstenberg (1994), historian at Johns Hopkins University Katerina Harvati (1994), professor of paleoanthropology at the University of Tübingen, identified the earliest known sample of the remains of modern humans outside Africa Ayanna Thompson (1994), professor of English at Arizona State University, president of the Shakespeare Association of America David H.
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–mass spectrometry is common for identity and purity checks. High-performance liquid chromatography with ultraviolet detection can also be used. Both methods require a suitable reference standard.