Scientists are still looking for compounds that work well against difficult viral pathogens, so antiviral research is always changing. GS-441524 has become a useful research tool among the nucleoside analogs that are getting a lot of attention in the lab. This compound, which is structurally related to remdesivir's active metabolite, shows promising antiviral properties in lab tests. GS-441524 powder is used by researchers all over the world to study how viruses replicate, especially RNA viruses. We can learn more around antiviral techniques by considering how certain chemicals connected with viral proteins. It is less demanding to make revelations in this field presently that high-purity research-grade materials are less demanding to get. Utilizing this nucleoside analog, lab groups working on coronavirus models, particularly cat irresistible peritonitis (FIP), have made critical disclosures. The compound is an imperative reference standard in antiviral advancement programs since it stops infections from making RNA.
GS 441524 Powder
1.General Specification(in stock)
(1)Injection
20mg, 6ml; 30mg,8ml; 40mg,10ml
(2)Tablet
25/45/60/70mg
(3)API(Pure powder)
(4)Pill press machine
https://www.achievechem.com/pill-press
2.Customization:
We will negotiate individually, OEM/ODM, No brand, for secience researching only.
Internal Code: BM-3-001
GS-441524 CAS 1191237-69-0
HS Code: 2934999099
Molecular formula: C12H13N5O4
Molecular weight: 291.26
EINECS: 200-001-8
MDL No .: MFCD32666994
Analysis: HPLC, LC-MS, HNMR
Technology support: R&D Dept.-4
We provide GS 441524 Powder, please refer to the following website for detailed specifications and product information.
How Is GS-441524 Powder Used in FIP Coronavirus Replication Studies?
The application of GS-441524 in FIP inquire about models requires understanding both the viral pathology and the compound's biochemical properties. Analysts require to investigate how this nucleoside analog is joined into exploratory designs. To utilize GS-441524 in FIP investigate models, you require to know almost both the viral malady and the compound's biochemical properties. It is critical for analysts to see into how this nucleoside analog is utilized in test plans. Infectious peritonitis in cats is a enormous issue for analysts considering veterinary infections. The infection that causes the infection, cat coronavirus (FCoV), changes from a reasonably safe enteric frame to a exceptionally unsafe variation. GS-441524 powder is utilized in inquire about labs to think about how infections imitate rapidly in controlled settings.
Establishing Viral Load Reduction Protocols
FIP antiviral inquire about starts by measuring standard viral replication in cell societies. GS-441524 is phosphorylated into its dynamic triphosphate frame, competing with common nucleotides amid viral RNA blend and disturbing replication. Dose-response ponders utilizing qPCR track viral RNA diminishment over time, appearing concentration-dependent hindrance. Time-course investigations uncover early impacts inside 12–24 hours of replication cycles, bolstered by microscopy and immunofluorescence appearing decreased cytopathic impacts. These combined strategies give a nitty gritty understanding of antiviral proficiency and offer assistance characterize ideal inhibitory concentration ranges.
Time-Course Analysis in Infected Cell Cultures
Researchers screen tainted societies over time to assess antiviral impacts, examining at different interims to evaluate intracellular and extracellular viral particles. GS-441524 decreases cytopathic impacts compared to controls, with early changes obvious inside one replication cycle. Immunofluorescence and atomic tests affirm decreased viral antigen expression. Comparative considers with other nucleoside analogs offer assistance characterize structure-activity connections. GS-441524 serves as a reference standard due to its reliable pharmacological profile, empowering standardized assessment of modern antiviral candidates and quickening sedate improvement research.
Comparative Studies with Alternative Compounds
Comparative analysis of several possible molecules helps research into viruses. Labs use GS-441524 and other nucleoside analogs to find connections between structure and activity. These parallel experiments help scientists figure out which parts of molecules are most important for antiviral activity. Because its pharmacological profile is well known, GS-441524 powder was used as a reference in these comparative studies. Researchers can come up with standard values that are used to judge new compounds. This standardization speeds up the process of finding good candidates for further development.
GS-441524 FIP Mechanism: Inhibition of Feline Coronavirus RNA Polymerase Activity
The atomic component by which GS-441524 hinders viral replication includes complex enzymatic intelligent. Investigating these biochemical pathways uncovers why this compound illustrates specific antiviral activity. GS-441524 stops the replication of infections at the atomic level by connection with numerous proteins in complex ways. By looking into these biochemical pathways, we can see why this compound is so great at murdering viruses. RNA-dependent RNA polymerase (RdRp) is the fundamental chemical that coronaviruses utilize to duplicate themselves. This viral protein doesn't have the altering aptitudes that numerous have cell polymerases do, which implies that nucleoside analogs can effectively join to it. This shortcoming in chemicals is at the heart of GS-441524's capacity to battle viruses.
Nucleoside Analog Incorporation Mechanism
Inside cells, GS-441524 is phosphorylated into its dynamic triphosphate shape, mirroring adenosine triphosphate. Amid RNA amalgamation, viral RdRp joins it into developing RNA chains. This causes postponed chain end, permitting constrained stretching some time recently replication disappointment. The coming about viral RNA is fragmented and nonfunctional. This instrument contrasts from early antivirals by permitting consolidation some time recently end. The prepare successfully disturbs viral replication whereas keeping up relative selectivity, making it a key instrument for helpful antiviral movement against cat coronavirus.
Selective Targeting of Viral Polymerase
Selectivity between viral and have polymerases is pivotal for antiviral security. GS-441524 triphosphate is specially consolidated by viral RdRp due to basic contrasts in protein dynamic destinations. In vitro considers appear more grounded authoritative liking for viral polymerase compared to mammalian proteins. This makes a restorative window where viral replication is restrained without critical have poisonous quality. Understanding these selectivity components makes a difference refine dosing methodologies and bolsters the compound's reasonableness for focused on antiviral treatment in test and clinical contexts.
Resistance Profile Considerations
Resistance thinks about utilize rehashed viral section beneath imperfect medicate concentrations to assess change advancement. Changes in RdRp amino acids can change substrate acknowledgment and diminish vulnerability to nucleoside analogs. Be that as it may, GS-441524 illustrates a moderately tall obstruction to resistance compared to numerous antivirals. Recognized change locales offer assistance direct structure-based sedate plan and progress future compounds. Understanding resistance potential is basic for long-term treatment methodologies and keeping up antiviral viability in both exploratory and clinical applications.
What Makes GS-441524 Powder a Key Reference in FIP In Vitro Research Models?
In antiviral research, reference compounds must meet strict standards for being pure, stable, and biologically active. Because it meets these needs, GS-441524 powder is a must-have for labs doing research on the coronavirus. Its job goes beyond just checking for antivirals; it also includes studying how things work and making sure that tests are accurate.
Validated Purity Standards for Experimental Consistency
Research-grade GS-441524 is typically confirmed at >98% purity using HPLC analysis. This minimizes variability in experimental outcomes. Supporting analytical data such as NMR and mass spectrometry ensure structural confirmation and stability assessment. Proper storage at low temperatures maintains compound integrity. High purity is essential for reproducibility across studies, allowing consistent antiviral results between laboratories. These standardized quality controls make GS-441524 a dependable reference for evaluating antiviral efficacy in FIP-related research models.
Reproducible Activity Across Multiple Cell Lines
GS-441524 demonstrates consistent antiviral activity across multiple feline cell lines, including CRFK and Fcwf-4 systems. These models support viral replication and nucleoside activation pathways, enabling reliable assessment of efficacy. Despite metabolic differences between cell types, antiviral outcomes remain consistent, reinforcing reproducibility. This cross-platform reliability strengthens its role as a reference compound. Standardized results across models allow researchers to compare new antiviral candidates under controlled and reproducible experimental conditions in FIP studies.
Published Literature Supporting Mechanistic Understanding
Extensive peer-reviewed literature documents GS-441524's antiviral properties, experimental protocols, and cellular mechanisms. Studies across virology, veterinary medicine, and pharmacology provide standardized methodologies for infection models and compound evaluation. This knowledge base supports reproducible research design and facilitates new investigations. By establishing validated experimental frameworks, published research enables consistent application of GS-441524 in laboratory studies and strengthens its role as a benchmark compound in coronavirus and FIP antiviral research.
Cell-Based Experimental Systems for Evaluating FIP Antiviral Response Patterns
Infected cell cultures used in lab models create controlled environments for testing antiviral responses. These systems let you precisely change things like the type of virus, the number of infections, the timing of treatment, and the concentration of the compound. The information gathered helps us understand how antivirals work and helps us improve the way we do experiments.
Primary Cell Cultures Versus Immortalized Cell Lines
Primary feline cells closely mimic in vivo infection but are difficult to standardize and maintain. Immortalized cell lines offer consistent growth, reproducibility, and extensive historical data but may differ metabolically. Both systems are widely used to balance biological relevance and experimental stability. CRFK and Fcwf-4 cells are common models for FIP research, supporting viral replication and drug testing. Combining both approaches improves experimental reliability and enhances understanding of antiviral mechanisms.
Three-Dimensional Cell Culture Models
Traditional monolayer cultures are useful but not perfect ways to study how viruses infect tissues. Spheroids and organoids are two types of three-dimensional culture systems that are better at replicating the structure and communication between cells. Researchers have started to use these high-tech models to study the FIP coronavirus. When compounds get into three-dimensional structures, they add new variables that aren't present in systems with only one layer. Diffusion limits and cellular heterogeneity in spheroids are more like the conditions in living tissues. Studies that use GS-441524 powder in these models show how the arrangement of space affects the effectiveness of antivirals.
Co-Culture Systems Modeling Immune Responses
Co-culture models combine immune and target cells to study complex antiviral and immunological interactions. These systems assess both direct antiviral effects and immune-mediated responses such as cytokine production. GS-441524 studies in co-culture environments help evaluate whether antiviral activity influences immune signaling pathways. These models require careful optimization but provide deeper insight into host-pathogen interactions. They are valuable for understanding how antiviral compounds function within immune-competent biological systems.
Structure–Activity Insights Supporting GS-441524 Development for FIP Treatment Research
The chemical structure of pharmaceutical compounds has a big effect on their biological activity, pharmacokinetics, and safety profiles. Understanding the connections between structure and activity guides medicinal chemistry to find the best possible treatments. Specific structural features of GS-441524's molecular architecture show how they contribute to its antiviral properties.
Nucleobase Modifications and RdRp Recognition
GS-441524 contains nucleobase modifications that influence recognition by viral RNA-dependent RNA polymerase (RdRp). These structural changes balance substrate mimicry with chain termination effects, disrupting RNA synthesis during replication. Medicinal chemists study how such modifications impact antiviral potency and selectivity. Computational modeling is used to predict how analogs interact with the RdRp active site, guiding the design of compound libraries. These approaches help optimize antiviral properties while minimizing off-target effects, improving efficiency in structure-based drug development.
Sugar Moiety Contributions to Cellular Uptake
The ribose sugar structure plays a key role in cellular uptake and phosphorylation efficiency. Modifications to hydroxyl groups or addition of lipophilic substituents can significantly alter pharmacokinetics and intracellular accumulation. GS-441524 retains unmodified hydroxyl groups, making it relatively hydrophilic, which influences solubility and membrane permeability. Prodrug strategies temporarily modify these groups to enhance cellular entry, with intracellular esterases later restoring the active compound. These structural considerations are essential for understanding absorption, activation, and overall antiviral performance.
Phosphorylation Susceptibility and Metabolic Activation
GS-441524 requires sequential phosphorylation by cellular kinases to become its active triphosphate form. These metabolic steps vary across cell types and nucleoside analog structures. Intracellular triphosphate measurements help determine how efficiently compounds are activated. Kinase specificity is critical, as some analogs accumulate at intermediate phosphorylation stages, reducing effectiveness. Understanding these metabolic pathways helps identify structural features that improve activation efficiency and antiviral potency, ensuring sufficient production of the active compound for effective inhibition of viral replication.
Conclusion
GS-441524 powder continues to serve as a key reference compound in coronavirus research, supporting experimental modeling, antiviral validation, and methodological standardization. Its well-characterized properties enable reproducible studies across laboratories and facilitate the development of new antiviral agents. Research using this nucleoside analog improves understanding of viral replication mechanisms and guides broader antiviral design strategies. Ongoing structure-activity studies and mechanistic research contribute to improved drug development frameworks, reinforcing the importance of reliable reference compounds in advancing antiviral science.
FAQ
1. What concentration ranges of GS-441524 are typically used in cell-based antiviral assays?
When testing for antiviral activity in cell culture models, research protocols usually use concentration ranges from 0.1 to 10 micromolar. The concentrations chosen depend on the type of cell, the strain of virus, and the goals of the experiment. Dose-response curves made across this range show how compound concentration affects the ability to stop viruses. Researchers usually use more than one concentration to figure out things like EC50 values, which measure how strong an antiviral is.
2. How stable is GS-441524 powder during long-term storage?
High-purity GS-441524 powder stays stable for longer than two years if it is stored properly at -20°C or below in sealed containers that are kept away from moisture. Analytical testing of the stored material confirms that there is still not much degradation under these conditions. To keep working solutions from breaking down after multiple freeze-thaw cycles, researchers should either make them fresh or store them frozen in single-use aliquots. Handling and storing compounds correctly is important for keeping them intact during experiments.
3. Can GS-441524 be used in combination with other antiviral compounds for research purposes?
Combination studies are an important area of research for developing new viruses. Scientists are looking into whether nucleoside analogs work better when combined with compounds that work in different ways, or if they work worse. To correctly interpret interaction patterns in combination studies, experimental designs need to have strict controls and mathematical modeling. These studies help find possible good combinations of compounds that could be looked into in more complex research models.
Why Choose BLOOM TECH as Your Trusted GS-441524 Powder Supplier?
BLOOM TECH supplies GMP-certified GS-441524 powder with >98% purity for antiviral research, supported by FDA, EU, and CFDA compliance. Each batch includes full analytical data (HPLC, NMR, MS) ensuring consistency for global biotech partners. The company provides stability and handling data, reliable supply chains, transparent pricing, and custom synthesis services, supporting both small-scale research and large pharmaceutical development projects. Get in touch with BLOOM TECH right away to talk about your specific research needs. Our one-stop service model makes buying easier and makes sure you get the high-quality materials your ground-breaking research needs. You can ask for certificates of analysis, talk about technical details, or place an order by emailing Sales@bloomtechz.com to our professional team. Let us help you with your antiviral research. Our dependability and knowledge have made us the GS-441524 powder supplier of choice for top research institutions around the world.
References
1. Murphy BG, Perron M, Murakami E, Bauer K, Park Y, Eckstrand C, Liepnieks M, Pedersen NC. The nucleoside analog GS-441524 strongly inhibits feline infectious peritonitis (FIP) virus in tissue culture and experimental cat infection studies. Veterinary Microbiology. 2018;219:226-233.
2. Pedersen NC, Perron M, Bannasch M, Montgomery E, Murakami E, Liepnieks M, Liu H. Efficacy and safety of the nucleoside analog GS-441524 for treatment of cats with naturally occurring feline infectious peritonitis. Journal of Feline Medicine and Surgery. 2019;21(4):271-281.
3. Yan VC, Muller FL. Advantages of the parent nucleoside GS-441524 over remdesivir for COVID-19 treatment. ACS Medicinal Chemistry Letters. 2020;11(7):1361-1366.
4. Dickinson PJ, Bannasch M, Thomasy SM, Murthy VD, Vernau KM, Liepnieks M, Montgomery E, Knickelbein KE, Murphy B, Pedersen NC. Antiviral treatment using the adenosine nucleoside analogue GS-441524 in cats with clinically diagnosed neurological feline infectious peritonitis. Journal of Veterinary Internal Medicine. 2020;34(4):1587-1593.
5. Warren TK, Jordan R, Lo MK, Ray AS, Mackman RL, Soloveva V, Siegel D, Perron M, Bannister R, Hui HC, Larson N. Therapeutic efficacy of the small molecule GS-5734 against Ebola virus in rhesus monkeys. Nature. 2016;531(7594):381-385.
6. Siegel D, Hui HC, Doerffler E, Clarke MO, Chun K, Zhang L, Neville S, Carra E, Lew W, Ross B, Wang Q. Discovery and synthesis of a phosphoramidate prodrug of a pyrrolo[2,1-f][triazin-4-amino] adenine C-nucleoside (GS-5734) for the treatment of Ebola and emerging viruses. Journal of Medicinal Chemistry. 2017;60(5):1648-1661.