SLU-PP-332 Certificate of Analysis (COA): Verification & Technical Specifications
A Certificate of Analysis (COA) for SLU-PP-332 provides definitive empirical proof of chemical identity, purity, and safety profile for laboratory investigation. Evaluating third-party RP-HPLC, mass spectrometry, and endotoxin assays ensures that experimental data collected in preclinical models remains reproducible and unconfounded by impurities.
Quick answer
A Certificate of Analysis (COA) for SLU-PP-332 provides definitive empirical proof of chemical identity, purity, and safety profile for laboratory investigation. Evaluating third-party RP-HPLC, mass spectrometry, and endotoxin assays ensures that experimental data collected in preclinical models remains reproducible and unconfounded by impurities.
Key takeaways
- A SLU-PP-332 [Certificate of Analysis](/research-peptides/what-is-a-coa-for-peptides) (COA) is an official analytical document issued by an independent ISO 17025 accredited laboratory that verifies the precise chemical identity, purity percentage, molecular weight, and biological safety profile of a specific production lot of [SLU-PP-332 research compound](/product/slu-pp-332).
- SLU-PP-332 is a novel synthetic small molecule designated chemically as a pan-agonist of the Estrogen-Related Receptors (ERRs).
- In vitro assays and preclinical animal models demonstrate that SLU-PP-332 functions as a potent pan-agonist across all three estrogen-related receptor subtypes: ERRα, ERRβ, and ERRγ.
- Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC) is the primary analytical method utilized to quantify the chemical purity of SLU-PP-332.
What is a SLU-PP-332 Certificate of Analysis (COA)?
A SLU-PP-332 Certificate of Analysis (COA) is an official analytical document issued by an independent ISO 17025 accredited laboratory that verifies the precise chemical identity, purity percentage, molecular weight, and biological safety profile of a specific production lot of SLU-PP-332 research compound.
For investigators evaluating metabolic pathways and gene expression in laboratory settings, the COA serves as the baseline validation tool. It confirms that the supplied material consists exclusively of the target small-molecule agonist without active contaminants, heavy metals, residual solvents, or unreacted synthetic intermediates that could alter cell culture assays or animal model outcomes.
Chemical Identity and Structural Profile of SLU-PP-332
SLU-PP-332 is a novel synthetic small molecule designated chemically as a pan-agonist of the Estrogen-Related Receptors (ERRs). Unlike classic peptide chains composed of amino acid sequences joined by peptide bonds, SLU-PP-332 is a non-steroidal organic compound designed to target nuclear receptor isoforms with high affinity.
The molecular formula of SLU-PP-332 is C23H17F3N2O3, possessing a theoretical exact molecular weight of 426.39 g/mol. On a standard COA, the chemical structure is cross-referenced using nuclear magnetic resonance (NMR) spectroscopy or high-resolution mass spectrometry (HRMS). Confirming these structural metrics against standard reference libraries ensures that researchers receive the exact molecular entity described in published literature, preventing misidentification with structurally adjacent compounds in our catalog of research peptides.
Preclinical Mechanism: Pan-Agonism of Estrogen-Related Receptors
In vitro assays and preclinical animal models demonstrate that SLU-PP-332 functions as a potent pan-agonist across all three estrogen-related receptor subtypes: ERRα, ERRβ, and ERRγ. These orphan nuclear receptors regulate transcriptional networks responsible for cellular energy homeostasis, mitochondrial biogenesis, and fatty acid oxidation.
Preclinical studies suggest that activation of ERRα by SLU-PP-332 leads to up-regulation of genes involved in oxidative phosphorylation, such as PGC-1α targets, without binding to or activating classical estrogen receptors (ERα or ERβ). In rodent models of metabolic dysfunction, administration of high-purity SLU-PP-332 stimulated oxidative muscle fiber transformation and increased basal metabolic rate. Obtaining a batch with a verified COA ensures that observed transcriptional changes are attributable directly to targeted ERR activation rather than off-target synthetic artifacts.
Interpreting HPLC Purity Profiling on a COA
Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC) is the primary analytical method utilized to quantify the chemical purity of SLU-PP-332. The resulting chromatogram displays optical absorbance peaks mapped over retention time (measured in minutes), allowing laboratory technicians to calculate the relative concentration of the primary molecule versus secondary impurities.
A compliant COA for research-grade SLU-PP-332 must document a total chemical purity threshold of equal to or greater than 98.0% via RP-HPLC. The primary peak representing SLU-PP-332 should integrate to comprise virtually the entire signal area. Minor baseline peaks represent trace synthetic byproducts, which must remain strictly below 0.5% individual area to prevent confounding cellular responses in sensitive mitochondrial biogenesis research.
Mass Spectrometry (MS) Structural Confirmation
While HPLC quantifies purity percentage, Electrospray Ionization Mass Spectrometry (ESI-MS) or Liquid Chromatography-Mass Spectrometry (LC-MS) confirms molecular identity. Mass spectrometry measures the mass-to-charge ratio (m/z) of ionized molecules, yielding a precise spectral peak corresponding to the protonated adduct [M+H]+ or sodium adduct [M+Na]+.
For SLU-PP-332, ESI-MS analysis on the COA should display a dominant peak matching the calculated monoisotopic mass of 426.39 g/mol (typically detected as [M+H]+ at 427.4 m/z). The absence of unexpected high-mass or low-mass spectral peaks confirms that the batch has not undergone thermal degradation, oxidation, or incomplete synthesis during processing.
Endotoxin Testing and Bioburden Parameters
Endotoxin contamination represents a severe variable in laboratory research, particularly when conducting primary cell line cultures or delicate rodent experiments. Bacterial endotoxins (lipopolysaccharides derived from Gram-negative cell walls) trigger acute inflammatory cascades, cytokine release, and altered gene expression profiles that mask the true pharmacological effects of the test compound.
Every production lot analyzed on a PX1 Research COA undergoes quantitative Chromogenic Recombinant Factor C (rFC) or Limulus Amebocyte Lysate (LAL) testing. For research-grade material, the endotoxin threshold is established at strict limits (< 0.01 EU/mg or < 0.1 EU/mg depending on application protocol), ensuring that in vitro signaling pathways reflect genuine compound activity rather than immune system activation.
Comparative Profiling: SLU-PP-332 vs. Related Metabolic Ligands
To contextualize SLU-PP-332 within metabolic literature, researchers frequently compare its mechanism to other synthetic modulators investigated for energy expenditure and mitochondrial enhancement. Selecting the appropriate tool compound requires reviewing certified purity and receptor selectivity profiles across distinct chemical classes.
Unlike the PPARδ receptor agonist GW501516 research ligand, which selectively targets peroxisome proliferator-activated receptor delta, or the Rev-ErbA agonist SR9009 synthetic ligand, which regulates circadian metabolic rhythms, SLU-PP-332 acts directly as an ERR pan-agonist. Furthermore, while the AMPK activator AICAR metabolic modulator operates upstream by altering cellular AMP/ATP ratios, SLU-PP-332 directly recruits transcriptional coactivators to nuclear receptors. Reviewing verified COAs for each compound guarantees that comparative trials evaluate pure, unadulterated ligands.
Laboratory Reconstitution and Solubilization Protocols
SLU-PP-332 is supplied as a lyophilized or crystalline dry powder. Due to its hydrophobic organic structure, SLU-PP-332 exhibits minimal solubility in aqueous buffers like phosphate-buffered saline (PBS) or sterile water without organic co-solvents.
For standard cell culture assays, researchers typically solubilize SLU-PP-332 in high-purity Dimethyl Sulfoxide (DMSO) or Ethanol (EtOH) to achieve master stock concentrations ranging from 10 mM to 50 mM. Once dissolved in DMSO, working dilutions can be prepared in culture media, keeping final organic solvent concentrations below 0.1% v/v to avoid cellular toxicity. Refer to our documented reconstitution protocols for step-by-step guidance on solubilizing hydrophobic research compounds.
Thermal Stability, Handling, and Storage Conditions
Lyophilized SLU-PP-332 exhibits favorable long-term stability when maintained under controlled storage parameters. Upon receipt at the research facility, desiccated vials should be stored at -20°C for short-to-medium term studies, or -80°C for long-term archival storage, shielded from direct light exposure.
Reconstituted DMSO stock solutions should be aliquoted into single-use microcentrifuge tubes to prevent repeated freeze-thaw cycles, which can induce gradual chemical precipitation or degradation. When stored at -20°C in anhydrous DMSO, stock solutions typically remain stable for 3 to 6 months. Evaluating the post-reconstitution stability on a lot-specific COA provides baseline confidence for extended multi-week study protocols.
PX1 Research Sourcing & USA Quality Assurance
PX1 Research maintains rigorous quality control standards across our full range of high-purity analytical standards. Every batch of SLU-PP-332 is synthesized in state-of-the-art, GMP-compliant facilities and subjected to independent, third-party testing at ISO 17025 accredited laboratories located in the United States.
We enforce full lot traceability, supplying a complete, unedited COA with every shipment dispatched from our California and Arizona fulfillment hubs. Institutional accounts and commercial laboratories requiring dedicated batch reservations or custom bulk quantities can submit inquiries through our bulk research account application.
Frequently Asked Questions
What is a SLU-PP-332 COA and why is it critical for research?
A SLU-PP-332 Certificate of Analysis (COA) is a verified analytical report providing laboratory evidence of compound identity, RP-HPLC purity percentage, LC-MS molecular weight confirmation, and endotoxin levels for a specific lot. It ensures experimental data is generated using unadulterated compound.
What purity percentage should be listed on a SLU-PP-332 COA?
A high-grade SLU-PP-332 research lot must demonstrate a chemical purity equal to or greater than 98.0% as determined by Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC).
How is the molecular identity of SLU-PP-332 verified on the COA?
Identity is verified via Electrospray Ionization Mass Spectrometry (ESI-MS) or LC-MS, confirming a primary mass peak corresponding to the theoretical molecular weight of SLU-PP-332 (426.39 g/mol, typically detected as 427.4 m/z [M+H]+).
What endotoxin limits are acceptable for SLU-PP-332 in vitro testing?
For reliable cell culture and preclinical animal models, endotoxin levels should be rigorously controlled, ideally measuring less than 0.01 EU/mg to prevent confounding inflammatory cytokine responses.
How should SLU-PP-332 be dissolved for laboratory experiments?
SLU-PP-332 is a hydrophobic small molecule and should be reconstituted in organic solvents such as Dimethyl Sulfoxide (DMSO) or Ethanol before diluting into aqueous assay buffers or cell culture media.
Is SLU-PP-332 considered a peptide or a small molecule?
SLU-PP-332 is classified as a synthetic non-steroidal small-molecule pan-agonist of the Estrogen-Related Receptors (ERRs), rather than an amino acid peptide chain.
What are the recommended storage conditions for dry SLU-PP-332 powder?
Lyophilized SLU-PP-332 powder should be stored desiccated at -20°C for routine research or -80°C for long-term storage, protected from moisture and light exposure.
Where does PX1 Research ship SLU-PP-332 from?
All orders from PX1 Research ship directly from our domestic fulfillment centers located in California and Arizona, with same-day shipping offered Monday through Friday.
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All products are sold strictly for laboratory and research use only. Not for human or veterinary use, diagnosis, treatment or consumption. Statements have not been evaluated by the FDA.