Everything below concerns certificate of analysis. We keep the language plain, cite what the science says, and separate well-supported claims from open questions.
Updated 2025-09-14. Numbers and descriptions here follow the published literature rather than marketing material.
At the molecular level, SR9009 binds the ligand-binding domain of REV-ERB and strengthens recruitment of corepressor proteins such as NCoR and HDAC3. This increases repression of target genes, including Bmal1 and other clock-controlled and metabolic genes. In rodent studies, such changes have been linked to altered lipid handling, glucose metabolism, and energy expenditure. The precise chain of events between receptor binding and whole-body effects remains an active area of research. Findings in animals do not automatically translate to humans.
Laboratory studies often administer SR9009 by injection because oral absorption appears poor in rodents. Reported pharmacokinetic properties include rapid metabolism and low systemic exposure after oral dosing. Human pharmacokinetic data are sparse, so absorption, distribution, metabolism, and excretion in people are not well defined. Some research explores related REV-ERB compounds with improved drug-like properties. Regulatory approval for any REV-ERB agonist as a human medicine has not been granted to date.
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.
| Property | Value | Notes |
|---|---|---|
| Chemical class | Synthetic small molecule | Studied as a REV-ERB agonist |
| Molecular formula | C20H24ClN3O4S | Reported for the neutral compound |
| Appearance | Off-white to pale yellow solid | Typical research-grade material |
| Solubility | Sparingly soluble in water | Soluble in solvents such as DMSO |
| Common synonyms | SR9009; Stenabolic | Stenabolic is an informal alias |
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.
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.
Mealworms are typically used as a pet food for captive reptiles, fish, birds, and some small mammals. They are also provided to wild birds in bird feeders, particularly during the nesting season. Mealworms are useful for their high protein content. They are also used as fishing bait. They are commercially available in bulk and are typically available in containers with bran or oatmeal for food. Commercial growers incorporate a juvenile hormone into the feeding process to keep the mealworm in the larval stage and achieve an abnormal length of 2 cm or greater.
The continued influx of foreign players at Arsenal has, however, attracted criticism. In a league match against Crystal Palace on 14 February 2005, Arsenal fielded a 16-man squad that featured no British players for the first time in the club's history. This prompted Professional Footballers' Association (PFA) chief executive Gordon Taylor to express it would begin "a worrying pattern for English football". A year later, manager Alan Pardew commented that Arsenal's Champions League success was "not necessarily a triumph for British football". Wenger saw the issue of nationality as irrelevant and said, "When you represent a club, it's about values and qualities, not about passports". Other pundits including Trevor Brooking, the director of football development at the FA, have defended Wenger. Brooking has stated that a lack of English players in "one of England's most successful clubs" was more of a reflection on England's limited talent pool rather than on Wenger, an opinion shared by youth-team coach and former Liverpool player Craig Johnston. Several English players have started their careers at Arsenal under Wenger, such as Ashley Cole, David Bentley and Matthew Upson, Wenger commented that an advantage of building his team around British players was the guarantee of stability.
The process of nixtamalization was first developed in Mesoamerica, where maize was originally cultivated. The earliest evidence is found in Guatemala's southern coast, with equipment dating from 1200 to 1500 BCE. How nixtamalization was discovered is not currently known with certainty, but it may have been through the use of hot cooking stones to boil corn in early cultures which did not have cooking vessels robust enough to put directly on fire or coals. In limestone-bedrock regions like those in Guatemala and southern Mexico, heated chunks of limestone would naturally be used, and experiments show that hot limestone makes the cooking water sufficiently alkaline to cause nixtamalization. Archaeological evidence of this conjecture has been found in southern Utah. The Aztec and Maya civilizations developed nixtamalization by using slaked lime (calcium hydroxide, or "cal") and lye (potassium hydroxide) to create alkaline solutions. The Chibcha people to the north of the ancient Inca also used calcium hydroxide, while the tribes of North America used soda ash. The nixtamalization process was very important in the early Mesoamerican diet, as there is very little niacin in corn and the tryptophan within is unavailable without processing. A population that depends on untreated maize as a staple food risks malnourishment and is more likely to develop deficiency diseases such as pellagra, niacin deficiency, or kwashiorkor, the absence of certain amino acids that maize is deficient in. Maize cooked with lime or other alkali provided bioavailable niacin to Mesoamericans.
Sources: en.wikipedia.org
Hormone replacement therapy, including gender-affirming hormone therapy, stimulates the growth of glandular and adipose tissue through estrogen supplementation. In menopausal women, HRT helps restore breast volume and skin elasticity diminished by declining estrogen levels, typically using oral or transdermal estradiol. In gender-affirming hormone therapy, breast development is induced through feminizing HRT, often combining estrogen with anti-androgens to suppress testosterone. Maximum growth is usually achieved after 2–3 years. Factors such as age, genetics, and hormone dosage influence outcomes.
== Structure == The territorial matrix is composed of collagen fibrils and proteoglycans, forming a dense matrix around groups of chondrocytes, distinguishing itself from neighboring zones. It is located between the pericellular and interterritorial matrix. The territorial matrix is smaller in size (5-10 μm) than the interterritorial matrix, but larger than the pericellular matrix., The collagen that exists in this region is primarily type II collagen, with some types IX and XI. It is arranged in a finer, more interwoven network than in the interterritorial matrix. Proteoglycans like aggrecan and decorin provide resistance to compressive loads. Several glycoproteins are also present and play roles in the matrix assembly and stabilization. The close packing of the fibrils make the region denser, forming a mechanical barrier around chondrocytes.
== Medical uses == Gonadorelin is used as a diagnostic agent to assess pituitary gland function. It is also used in the treatment of primary hypothalamic amenorrhea, hypogonadotropic hypogonadism (e.g., Kallmann syndrome), delayed puberty, cryptorchidism, and infertility. Unlike other GnRH analogues, it is not used to suppress sex hormone production.
Sources: en.wikipedia.org
Currently the railway has been under-grounded: the avenue will be enlarged and have same architecture style of southern Corso Inghilterra in downtown, becoming one of the major avenues of Turin. The northern part of the district was part of the former industrial district of Turin, recently reconverted to a park called Parco Dora. Mainly, in San Donato the portion reconverted was the one occupied by the plant of Michelin (west of Via Livorno) and Fiat ironwork plants (on the East). Differently for other portions of Parco Dora, this part has been totally reconverted to park without letting any evidence of the industrial area except for the cooling tower which stands along Corso Umbria and became a symbol of the park. Works are completed in the western area, where Corso Mortara has been closed to traffic and moved just a bit northern and covered by an artificial tunnel. It is possible to access the southern shore of the River Dora. South of the park, an interesting architecture of different levels is hosting a new shopping mall called Centro Commerciale Parco Dora. East of Via Livorno, works are still partially in progress, with the River Dora still to be uncovered by a big slab, on which the Fiat plants used to stand). West of Via Livorno, the Environment Park is a research centre for renewable energy.
=== 9 January === Russia and Ukraine conducted their 36th prisoner swap of the conflict, with each side trading 50 POWs to the other. Ukraine's regional prosecutor's office claimed that an S-300 fired from Belgorod Oblast hit a market in Shevchenkove, killing two women, wounding a child, and damaging a shopping centre. A spokesperson stated that Germany had no plans to provide the Leopard 2 to Ukraine.
The public entity was called Fisher Scientific International Inc., and based in Hampton, New Hampshire. Fisher Scientific Company remained in Pittsburgh as an operating subsidiary. In 1992, Fisher facilities were ISO-9000 certified. In the 1990s, Fisher, with partner Intertech Corporation of Atkinson, New Hampshire, set up a pharmaceutical testing and certification lab in Moscow, Russia, to serve with the Russian Federation's Ministry of Health and Medical Industry needs. Fisher acquired Eastman Kodak Company's organic-chemicals business and Janssen Chimica, forming Acros Organics. In August 2004, the company merged with Apogent Technologies Inc., a company engaged primarily in the manufacture and sale of laboratory products in the United States and other countries. In May 2006, Fisher Scientific and Thermo Electron announced that they would merge in a tax-free, stock-for-stock exchange. The merger closed on November 9, 2006, and the merged company is now called Thermo Fisher Scientific. The merger was valued at $12.8 billion.
Sources: en.wikipedia.org
SR9009 is a synthetic research compound that activates the REV-ERBα and REV-ERBβ nuclear receptors. It is not an approved drug and has no established human therapeutic use. Most published biological data come from cell and rodent studies.
No. SR9009 is frequently mislabeled as a SARM in online discussions, but it does not target androgen receptors. Its known mechanism involves REV-ERB nuclear receptors and circadian-metabolic gene regulation.
Human clinical data are very limited. There is no approved human use, and safety and efficacy in people are not established. Most evidence comes from preclinical models, so effects observed in animals may not apply to humans.
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.