The short version of certificate of analysis fits in a sentence. The long version — which is the one that helps — is below.
This page was last updated on 2025-11-13 and is reviewed periodically as new material appears.
SR9009 is frequently discussed in fitness and research-chemical contexts, yet it has no approved medical indication. Regulatory agencies have not authorized it for human use, and it is not a standard prescription drug. Some sports organizations list it as a prohibited substance because of its potential performance-enhancing properties. Published human data are sparse, so claims about its effects in people often rely on animal models or anecdotal reports. Quality and identity of online materials can vary widely.
SR9009 is a synthetic small molecule studied as a REV-ERB agonist. REV-ERBα and REV-ERBβ are nuclear receptors that help regulate circadian rhythms and metabolic gene expression. The compound was identified in academic screening efforts to find synthetic ligands for these receptors. In cell and animal studies, SR9009 alters transcription of genes involved in lipid and glucose metabolism, and it can shift circadian behavior. It is not an approved therapeutic agent.
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.
Regulatory treatment of SR9009 varies by country and context. It is not approved as a therapeutic drug by agencies such as the United States Food and Drug Administration or the European Medicines Agency. Sports authorities list it as a prohibited substance; the World Anti-Doping Agency classifies it among hormone and metabolic modulators. Legal status for personal possession or sale differs across jurisdictions, and some countries may restrict it under analog or research chemical laws. Buyers who seek verified material often rely on independent laboratory testing because online product labels may not match contents.
| Property | Value | Notes |
|---|---|---|
| Chemical class | Synthetic REV-ERB agonist | Small-molecule ligand; not a hormone or peptide |
| Molecular formula | C20H24ClN3O4S | Reported for the free base |
| CAS Registry Number | 1379686-30-2 | Unique chemical identifier |
| Common synonyms | SR9009; stenabolic | Stenabolic is informal and not an official name |
| Reported targets | REV-ERBα and REV-ERBβ | Nuclear receptors linked to circadian and metabolic regulation |
Detection of SR9009 in biological samples usually relies on liquid chromatography coupled to tandem mass spectrometry. This approach separates the compound from matrix components and identifies it by mass transitions. Because SR9009 can undergo metabolism, laboratories often look for both parent drug and specific metabolites. Sample preparation may involve protein precipitation or solid-phase extraction. Method validation examines sensitivity, carryover, and interference from related substances, and reference standards are required for accurate calibration.
Storage recommendations for SR9009 reference material typically specify a freezer at -20 °C or lower, with protection from moisture and light. Repeated freeze-thaw cycles can degrade small molecules and introduce variability. Stock solutions in dimethyl sulfoxide are often aliquoted to avoid repeated handling. Stability studies may examine degradation under heat, humidity, and light exposure. The compound's thiophene and nitro groups can participate in reactions that alter analytical signals over time, so such changes affect quantitative results.
=== Other interactions === SSRIs, including citalopram, can increase the risk of bleeding, especially when coupled with aspirin, NSAIDs, warfarin, or other anticoagulants. Taking citalopram with omeprazole may cause higher blood levels of citalopram. This is a potentially dangerous interaction, so dosage adjustments may be needed or alternatives may be prescribed.
A zoster vaccine is a vaccine that reduces the incidence of herpes zoster (a.k.a. shingles), a disease caused by reactivation of the varicella zoster virus, which is also responsible for chickenpox. Shingles provokes a painful rash with blisters and can be followed by chronic pain (postherpetic neuralgia) and other complications. Older people are more often affected, as are people with weakened immune systems (immunosuppression). Both shingles and postherpetic neuralgia can be prevented by vaccination. Two zoster vaccines have been approved for use in people over 50 years old. Shingrix (GSK) is a recombinant subunit vaccine that has been used in many countries since 2017. Zostavax (Merck), in use since 2006, is an attenuated vaccine which consists of a larger-than-normal dose of varicella vaccine. Unlike Shingrix, Zostavax is not suitable for people with immunosuppression or diseases that affect the immune system. Zostavax was discontinued in the United States in November 2020. Shingrix appears to prevent more cases of shingles than Zostavax, although side effects seem to be more frequent. Varicella vaccine is used to prevent diseases caused by the same virus.
Over the past 20 years, antimicrobial resistance (AMR) has grown, making common infections like respiratory infections, urinary tract infections, STDs, and tuberculosis harder to treat. New antibiotics are not being developed fast enough and may lead to a "post-antibiotic era" where some infections are untreatable. AMR makes infections more difficult and costly to treat. Proper antibiotic use—correct drug, dose, and duration—and strict hospital hygiene are essential. Combating AMR requires cooperation among governments, healthcare workers, researchers, pharmaceutical companies, farmers, and the public through responsible antibiotic use, monitoring resistance, limiting antibiotics in animals, and improving access to medicines, vaccines, and tests. Prevention is the most effective strategy. Along with careful antibiotic use, there is a need for new drugs, alternative treatments, better diagnostics, and vaccines. Without coordinated global action, vital medical procedures like surgery, organ transplants, neonatal care, and cancer treatment could be at risk.
== Biography == Edlich was admitted to Lafayette College at age 15 after finishing his sophomore year at Stuyvesant High School in New York City. Three years later, he enrolled as an early admission student at New York University School of Medicine. After graduating in 1970, he began a surgical residency at the University of Minnesota Health Sciences Center and received a Doctorate of Philosophy in Surgery.
Sources: en.wikipedia.org
=== Social Security === On March 18, 2025, the Social Security Administration announced they would be implementing tighter identity requirements starting March 31, with this date pushed forward to April 14. The new policy requires takes away the telephone option and requires individuals to either apply online or appear in-person at a field office. Applications for SSDI, Medicare, or SSI are exempted from this in-person requirement, along with applicants subject to extreme situations "such as terminal cases or prisoner pre-release scenarios". This new policy comes at a time the Trump administration is closing some field offices and laying off some Social Security staff. In late March, Wired reported that DOGE was putting together a team to migrate the Social Security base code from COBOL to a more modern programming language, with the goal of achieving this in a matter of months, whereas most experts say it should take several years to do and test this safely. It was reported in mid-April that the Trump administration had placed on the "Death Master File", renamed the "Ineligible Master File", more than 6,000 persons who are legal immigrants whom officials claim are either on a terrorism watch list or have an FBI criminal record. The White House, however, did not provide evidence for this claim. Social Security will "clawback" money from a disabled or retired person's monthly payments in cases in which overpayments are discovered.
=== 1973 Antitrust case over griseofulvin === In the 1960s, Glaxo Group Ltd. (Glaxo) and Imperial Chemical Industries (ICI) each owned patents covering various aspects of the antifungal drug griseofulvin. They created a patent pool by cross-licensing their patents, subject to express licensing restrictions that the chemical from which the "finished" form of the drug (tablets and capsules) was made must not be resold in bulk form, and they licensed other drug companies to sell the drug in finished form and subject to similar restrictions. The effect and intent of the bulk-sale restriction was to keep the drug chemical out of the hands of small companies that might act as price-cutters, and the effect was to maintain stable, uniform prices. The United States brought an antitrust suit against the two companies—United States v. Glaxo Group Ltd.—charging them with violation of the Sherman Act and also seeking to have the patents declared invalid. The trial court found that the defendants had engaged in several unlawful conspiracies, but dismissed the part of the suit seeking invalidation of patents and refused to grant as relief mandatory sales of the bulk drug chemical and compulsory licensing of the patents. The government appealed to the Supreme Court, which reversed, in United States v. Glaxo Group Ltd., 410 U.S. 52 (1973).
Heavy ions can also be generated with an ion gun which typically uses the thermionic emission of electrons to ionize a substance in its gaseous state. Such instruments are typically used for surface analysis. Gas flows through the ion source between the anode and the cathode. A positive voltage is applied to the anode. This voltage, combined with the high magnetic field between the tips of the internal and external cathodes allow a plasma to start. Ions from the plasma are repelled by the anode's electric field. This creates an ion beam.
Sources: en.wikipedia.org
Office of AIDS Research Office of Research on Women's Health Office of Disease Prevention Sexual and Gender Minority Research Office Tribal Health Research Office Office of Program Evaluation and Performance The Agency Intramural Research Integrity Officer "is directly responsible for overseeing the resolution of all research misconduct allegations involving intramural research, and for promoting research integrity within the NIH Office of Intramural Research (OIR)." There is a Division of Extramural Activities, which has its own Director. The Office of Ethics has its own Director, as does the Office of Global Research.
In carbohydrate anabolism, simple organic acids can be converted into monosaccharides such as glucose and then used to assemble polysaccharides such as starch. The generation of glucose from compounds like pyruvate, lactate, glycerol, glycerate 3-phosphate and amino acids is called gluconeogenesis. Gluconeogenesis converts pyruvate to glucose-6-phosphate through a series of intermediates, many of which are shared with glycolysis. However, this pathway is not simply glycolysis run in reverse, as several steps are catalyzed by non-glycolytic enzymes. This is important as it allows the formation and breakdown of glucose to be regulated separately, and prevents both pathways from running simultaneously in a futile cycle. Although fat is a common way of storing energy, in vertebrates such as humans the fatty acids in these stores cannot be converted to glucose through gluconeogenesis as these organisms cannot convert acetyl-CoA into pyruvate; plants do, but animals do not, have the necessary enzymatic machinery. As a result, after long-term starvation, vertebrates need to produce ketone bodies from fatty acids to replace glucose in tissues such as the brain that cannot metabolize fatty acids. In other organisms such as plants and bacteria, this metabolic problem is solved using the glyoxylate cycle, which bypasses the decarboxylation step in the citric acid cycle and allows the transformation of acetyl-CoA to oxaloacetate, where it can be used for the production of glucose.
The right and left fibrous rings of heart (annuli fibrosi cordis) surround the atrioventricular and arterial orifices. The right fibrous ring is known as the annulus fibrosus dexter cordis, and the left is known as the annulus fibrosus sinister cordis. The right fibrous trigone is continuous with the central fibrous body. This is the strongest part of the fibrous cardiac skeleton. The upper chambers (atria) and lower (ventricles) are electrically divided by the properties of collagen proteins within the rings. The valve rings, central body, and skeleton of the heart consisting of collagen are impermeable to electrical propagation. The only channel allowed (barring accessory/rare preexcitation channels) through this collagen barrier is represented by a sinus that opens up to the atrioventricular node and exits to the bundle of His. The muscle origins/insertions of many of the cardiomyocytes are anchored to opposite sides of the valve rings. The atrioventricular rings serve for the attachment of the muscular fibers of the atria and ventricles, and for the attachment of the bicuspid and tricuspid valves. The left atrioventricular ring is closely connected, by its right margin, with the aortic arterial ring; between these and the right atrioventricular ring is a triangular mass of fibrous tissue, the fibrous trigone, which represents the os cordis seen in the heart of some of the larger animals, such as the ox. Lastly, there is the tendinous band, already referred to, the posterior surface of the conus arteriosus.
Sources: en.wikipedia.org
SR9009 is a synthetic compound investigated as an agonist of the nuclear receptors REV-ERBα and REV-ERBβ. It is used in preclinical research on circadian rhythm and metabolism. It is not an approved drug.
No. It has no approved medical indication, and human safety and efficacy data are limited. It appears in research chemical markets and is banned by some sports authorities.
Natural ligands include heme and certain metabolites; SR9009 is a synthetic small molecule with higher potency and selectivity in some assays. Its effects depend on cell type and timing. It is not a naturally occurring compound.
Legality depends on the country and the intended use. In many places it is sold as a research chemical, but sports and medicine regulations restrict it.