research chemical is one of those subjects where the details matter more than the headlines. This page pulls together the background, the mechanisms, and the practical points readers ask about most.
Last reviewed on 2026-02-06. Where a claim depends on a specific study, the study is described rather than over-claimed.
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.
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.
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 |
|---|---|---|
| Regulatory status | Not approved for human use | Investigational status in most countries |
| Sports status | Prohibited by WADA | Classified as non-approved or metabolic modulator |
| Common analytical method | LC-MS/MS | Used for trace detection in biological samples |
| Typical test matrices | Urine and blood | Sample choice depends on testing program |
| Human trial data | None published | Effects and safety are not established |
Laboratory samples of SR9009 are typically handled as research chemicals rather than pharmaceuticals. Suppliers usually state that the material is for research use only and not for human or veterinary administration. Storage recommendations generally call for a freezer at approximately −20 °C, protection from light, and a desiccated environment. The solid is often described as a white to off-white powder. Solubility is commonly reported in organic solvents such as dimethyl sulfoxide and ethanol, with low solubility in water.
Analytical identification and purity assessment often use high-performance liquid chromatography with ultraviolet detection or mass spectrometry. Liquid chromatography–tandem mass spectrometry is used to detect and quantify SR9009 in biological matrices, including urine and blood, for anti-doping or pharmacokinetic studies. Nuclear magnetic resonance spectroscopy can confirm molecular structure. Stability depends on form and storage: the solid is generally more stable than solutions, and repeated freeze–thaw cycles may degrade samples. Purity is typically reported as a percentage from a certificate of analysis.
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.
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.
== Research == Researchers are attempting to reproduce the biosynthetic pathway that produces morphine in genetically engineered yeast. In June 2015 the S-reticuline could be produced from sugar and R-reticuline could be converted to morphine, but the intermediate reaction could not be performed.
RNAP initiates transcription of the trp promoter. RNAP pauses at about nucleotide 90 at a secondary structure (?the first one shown above?). Ribosomes engage this nascent mRNA and initiate translation of the leader peptide. RNAP is then "released" from its pause and continues transcription. When RNAP reaches the region of the potential terminator, whether it continues or not is dependent on the position of the ribosome "trailing behind". If the ribosome stalls at the tandem Trp codons, waiting for the appropriate tRNA, region 1 is sequestered within the ribosome and thus cannot base pair with region 2. This means that region 2 and 3 become based paired before region 4 can be transcribed. This forces region 4 when it is made to be single stranded, preventing the formation of the region 3/4 terminator structure. Transcription will then continue. If the ribosome translates the leader peptide with no hesitation, it then covers a portion of region 2 preventing it from base pairing with region 3. Then when region 4 is transcribed, it forms a stem and loop with region 3 and transcription is terminated, generating a ca. 140 base transcript. This mechanism of control measures the amount of available, charged Trp-tRNA. The location of ribosomes determines which alternate secondary structures form.
Animals ingest amino acids in the form of protein. The protein is broken down into its constituent amino acids in the process of digestion. The amino acids are then used to synthesize new proteins and other nitrogenous biomolecules, or they are further catabolized through oxidation to provide a source of energy. The oxidation pathway starts with the removal of the amino group by a transaminase; the amino group is then fed into the urea cycle. The other product of transamidation is a keto acid that enters the citric acid cycle. Glucogenic amino acids can also be converted into glucose, through gluconeogenesis. Of the 20 standard amino acids, nine (His, Ile, Leu, Lys, Met, Phe, Thr, Trp and Val) are called essential amino acids because the human body cannot synthesize them from other compounds at the level needed for normal growth, so they must be obtained from food.
Sources: en.wikipedia.org
Data from high-throughput chromosome conformation capture experiments, such as Hi-C (experiment) and ChIA-PET, can provide information on the three-dimensional structure and nuclear organization of chromatin. Bioinformatic challenges in this field include partitioning the genome into domains, such as Topologically Associating Domains (TADs), that are organised together in three-dimensional space.
Gomphrena globosa, commonly known as globe amaranth, is an edible plant from the family Amaranthaceae. The round-shaped flower inflorescences are a visually dominant feature and cultivars have been propagated to exhibit shades of magenta, purple, red, orange, white, pink, and lilac. Within the flowerheads, the true flowers are small and inconspicuous. Gomphrena globosa is native to Central America including regions Panama, and Guatemala, but is now grown globally. As a tropical annual plant, G. globosa blooms continuously throughout summer and early fall. It is very heat tolerant and fairly drought resistant, but grows best in full sun and regular moisture. The plant fixes carbon through the C4 pathway. At maturity, the flowerheads are approximately 4 centimetres (1.6 in) long and the plant grows up to 24 inches (61 cm) in height. Gomphrena globosa is an outcrossing species that is pollinated by butterflies, bees, and other insects. Floral volatiles likely play a significant role in the reproductive success of the plant by promoting the attraction of pollinators.
== Early years == Of German descent, Christopher Richard Stein was born on 4 January 1947 in Churchill, Oxfordshire, to Eric Stein (1908–1965) and Dorothy Gertrude née Jackson (1909–1999). He was born and brought up on a farm. Stein was educated at Wells Court, a preparatory school just outside Tewkesbury, then Wells House, the Court's bigger sister-school at Malvern Wells, and then Uppingham School. He took A-levels in English, history and geography, but failed all of them. He moved to a cram school in Brighton, gaining E grades in English and history. Stein partially completed a hotel management traineeship with British Transport Hotels at its Great Western Royal Hotel in Paddington. He worked there as a chef for six months. Distraught by his father's suicide, at age 19 he went to Australia, where he worked as a labourer in an abattoir and as a clerk in a naval dockyard. To "take some time out" he travelled to New Zealand, where he picked asparagus, and Mexico. His 21st birthday was spent in Kaikōura, New Zealand, where he ate a rock lobster and slept under a bridge. Being on his own, he read widely, reflected on his attitude to education, and applied successfully to New College, Oxford, where he earned an English degree in 1971. Shortly after that, he moved to Padstow.
Sources: en.wikipedia.org
Communist ideologies and ideas have acquired a new meaning since the Russian Revolution, as they became equivalent to the ideas of Marxism–Leninism, namely the interpretation of Marxism by Vladimir Lenin and his successors. Endorsing the final objective, namely the creation of a community-owning means of production and providing each of its participants with consumption "according to their needs", Marxism–Leninism puts forward the recognition of the class struggle as a dominating principle of a social change and development. In addition, workers (the proletariat) were to carry out the mission of reconstruction of the society. Conducting a socialist revolution led by what its proponents termed the "vanguard of the proletariat", defined as the communist party organised hierarchically through democratic centralism, was hailed to be a historical necessity by Marxist–Leninists. Moreover, the introduction of the proletarian dictatorship was advocated and classes deemed hostile were to be repressed. In the 1920s, it was first defined and formulated by Joseph Stalin based on his understanding of orthodox Marxism and Leninism. In 1934, Karl Radek suggested the formulation Marxism–Leninism–Stalinism in an article in Pravda to stress the importance of Stalin's leadership to the Marxist–Leninist ideology. Radek's suggestion failed to catch on, as Stalin as well as CPSU's ideologists preferred to continue the usage of Marxism–Leninism.
Before refilling with the same solution, the syringe needle should be externally rinsed and dried with lint-free paper, without the need for an internal wash. However, when switching to a different reagent or concentration, the syringe must be thoroughly washed, flushed with ethanol or methanol, and carefully dried under vacuum-using a ThermoVac for VP-ITC or the integrated vacuum systems in other models. The sample cell should be emptied using the loading syringe and rinsed multiple times with water.
=== Coffee makers and single-use capsules === In September 2012, Starbucks announced plans to introduce the Verismo, a consumer-grade single-serve coffee machine that uses sealed plastic cups of coffee grounds, and a "milk pod" for lattes. In November 2012, Starbucks Verismo became publicly available, consisting of a line of coffee makers that brew espresso and regular chocolate from coffee capsules, a type of pre-apportioned single-use container of ground coffee and flavourings utilizing the K-Fee pod system.
1985 Goldenes Ehrenzeichen, Republic of Austria 1994 Austrian Decoration for Science and Art, Republic of Austria 1997 Honorary Member, Slovak Chemical Society 2003 Cross of Merits, State of Tyrol 2004 Cross of Merits, Austria 2007 Cross of Honours in Science and Arts first class, Republic of Austria 2008 Jan-Weber-Medal of the Slovak Pharmaceutical Society 2010 Sitara-e-Qaid-i-Azam (Civil decoration of Pakistan) 2011 Knight Grand Cross (First Class of The Most Exalted Order of the White Elephant with Slash) According to the Theoretical Chemistry Genealogy Project, Bernd Michael Rode is the most successful doctoral thesis supervisor of German-speaking countries in the field of Theoretical Chemistry. Between 1976 and 2011 Prof. Rode has led not less than 70 students to their Ph.D. degree. Due to his close contacts to South-East-Asia many of them come from Asian countries.
Sources: en.wikipedia.org
No. It is an investigational compound without approved therapeutic indications. It is sold for research purposes only in many jurisdictions.
Sports authorities prohibit it because it is not approved for human use and has potential performance-enhancing effects. It appears on anti-doping lists under non-approved or metabolic modulator categories.
Detection usually uses liquid chromatography-tandem mass spectrometry. The method targets the parent compound or its metabolites in urine or blood.
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.