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Certified Thiazolyl-Phenoxyacetic Acid Reference Materials for High-Performance Liquid Chromatography (HPLC), Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) Detection, and Receptor Coactivator Recruitment Assays
When academic research teams, forensic science laboratories, and sports anti-doping validation registries seek to buy GW-501516 Powder online at elite chem sciences, securing absolute batch-to-batch uniformity and verified structural purity is critical to eliminating background experimental variables. Known chemically as {2-methyl-4-[({4-methyl-2-[4-(trifluoromethyl)phenyl]-1,3-thiazol-5-yl}methyl)sulfanyl]-2-methylphenoxy}acetic acid (commonly referred to as Cardarine), GW-501516 is a highly potent, high-affinity selective agonist of the peroxisome proliferator-activated receptor delta ($\text{PPAR}\delta$). Developed as a foundational probe for metabolic pathway analysis, its structure features a substituted thiazole ring linked via a thioether bridge to a functionalized phenoxyacetic acid core.
Because the freebase thioether skeleton can exhibit vulnerability to atmospheric oxidation and mechanical handling errors if left exposed, Elite Chem Sciences delivers this specialized reference standard exclusively as a stable, finely crystallized powder matrix. This approach provides predictable dissolution metrics, sharp peak symmetry, and fully reproducible structural fragmentation profiles during advanced laboratory screenings.
By establishing an unbroken supply chain with Elite Chem Sciences, your facility ensures clear chromatographic separation, clean mass spectrometry fragmentation profiles, and complete data validation across all testing arrays.
Advanced Applications in Metabolic Research
1. PPARδ Coregulator Recruitment and Transcription Mapping
GW-501516 serves as a primary control probe for exploring conformational changes within the $\text{PPAR}\delta$ ligand-binding domain (LBD). Its trifluoromethylphenyl-substituted thiazole tail drives high-affinity hydrophobic packing within the receptor pocket, inducing a conformational shift that recruits coactivator proteins. Research teams deploy this pure powder standard to map competitive binding kinetics, downstream lipid-metabolism gene expression profiles, and cellular respiration pathways in vitro.
2. High-Resolution Anti-Doping Calibration & Forensic Screening
Establishing precise chromatographic baseline separation is a fundamental requirement for validation registries, sports anti-doping facilities, and forensic drug screening laboratories. Because thiazole-based metabolic modulators, their synthesis precursors, and related structural degradation fragments can present closely overlapping elution windows under standard setups, utilizing our certified powder standards allows identification laboratories to register exact retention indices, fine-tune mobile phase pH parameters, and maintain precise ultraviolet-visible (UV-Vis) and mass spectrometry baseline separation.
3. In Vitro Metabolic Mapping and Phase I/II Conjugation Kinetics
The thioether linkage and carboxylic acid tail within the GW-501516 framework represent critical focal points for checking chemical durability and enzyme-driven cleavage profiles. Research teams utilize this high-purity powder to map sulfoxidation paths, oxidative cleavage, and glucuronidation kinetics across liver microsome and cell-free matrix simulations over time, documenting how structural modifications alter compound availability compared to loose structural analogs (such as GW-0742).
Master Specification Data Matrix
| Analytical Compound Matrix | Molecular Formula | Molecular Weight | Physical Matrix Format | Standard Unit Packaging | Baseline Assay Purity | Validated Testing Modalities |
| GW-501516 Powder Standard | $C_{21}H_{18}\text{F}_3\text{NO}_3\text{S}_2$ | $453.50 \text{ g/mol}$ | Crystalline Powder | Amber Borosilicate Vial | $\ge$ 98.5% (HPLC) | HPLC / $^1\text{H}$-NMR / LC-MS |
Reconstitution & Stock Preparation Protocol
To solubilize the crystalline powder efficiently and minimize quantitative mass errors during solution preparation, laboratory technicians should follow this validation sequence:
Search Intent FAQ Block (Rich Snippet Optimization)
Q: How does GW-501516 fragment under liquid chromatography-tandem mass spectrometry (LC-MS/MS) during trace target verification?
A: Under positive mode electrospray ionization ($+1 \text{ ESI-MS}$), GW-501516 generates a highly visible protonated precursor molecular ion $[M+H]^^{+}$ at $m/z$ 454.1. Upon collision-induced dissociation (CID), this fluorinated ligand undergoes highly reproducible fragmentation across its central thioether link. The primary diagnostic paths yield prominent product fragment ions at $m/z$ 240.0 (corresponding to the 4-methyl-2-[4-(trifluoromethyl)phenyl]thiazol-5-yl methylium component) and $m/z$ 197.0 (the 2-methylphenoxyacetic acid fragment). This specific structural mass footprint allows forensic and anti-doping laboratories to definitively confirm the identity of the target analyte and differentiate it from closely related structures like GW-0742 ($m/z$ 472.1).
Q: What solvent configurations ensure maximum shelf-life for reconstituted GW-501516 stock reference standards?
A: Because the thioether bridge can undergo gradual oxidation to sulfoxides if stored in environments with trace dissolved oxygen or aqueous impurities, stock solutions must be prepared using degassed, completely anhydrous HPLC-grade acetonitrile or DMSO to maintain maximum peak stability inside glass vials. Reconstituted standards should be split into single-use aliquots, stored under an inert nitrogen blanket, and kept frozen below $-20^\circ\text{C}$ to prevent degradation.
Why Leading Global Laboratories Choose Elite Chem Sciences
Procuring critical analytical compounds demands an industry-aligned partner capable of guaranteeing strict quality control, structural validation, and reliable transport infrastructure. Elite Chem Sciences delivers on every tier:
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Uncompromising, Batch-Verified Purity: Every batch of GW-501516 powder undergoes rigorous high-performance liquid chromatography (HPLC) testing and nuclear magnetic resonance (NMR) analysis. We certify a baseline purity threshold of 98.5% or higher, eliminating background chemical noise from your data arrays.
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Optimized Crystal Formats: Our dynamic crystal precipitation pipelines ensure a highly uniform powder matrix, reducing mechanical agglomeration and facilitating ultra-precise micro-pipetting or weight measurement.
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Secure, Advanced Data Privacy Protocols: Our institutional procurement infrastructure operates on robust, end-to-end cryptographic layers, protecting purchase histories, payment structures, and sensitive corporate or academic research parameters from unauthorized exposure.
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Discreet, Environmentally Shielded Shipping: Shipments are safely isolated in light-blocking, moisture-impermeable, multi-layered neutral packaging. Every order includes complete tracking to maintain a reliable chain of custody straight to your receiving deck.
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Exhaustive Technical and Compliance Logs: Each order includes digital and hard-copy analytical packets containing up-to-date Safety Data Sheets (SDS), detailed storage directives, and lot-specific Certificates of Analysis (CoA) to ensure complete alignment with high-purity analytical reagents compliance frameworks.
Safety and Regulatory Information
IMPORTANT: All analytical compounds and reference substrates distributed by Elite Chem Sciences are supplied strictly and exclusively for professional laboratory, academic testing, and forensic verification frameworks.
STRICTLY NOT intended for human or animal consumption, inhalation, or in vivo administration of any kind.
NOT intended for medical therapies, clinical diagnostics, prescription use, or veterinary treatments.
Must be handled exclusively within certified laboratory facilities by trained personnel utilizing proper personal protective equipment (PPE), including chemical-resistant gloves and eye protection.
Global scheduling laws and import restrictions are highly dynamic. The ordering institution or individual bears full, sole responsibility for confirming local legality and obtaining any necessary import permits before completing checkout.
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