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SR-19881

Cat No.:V47521 Purity: ≥98%
SR19881 is a potent dual agonist of ERRγ and ERRβ with EC50 of 0.39 and 0.63 μM, respectively.
SR-19881
SR-19881 Chemical Structure CAS No.: 2213490-89-0
Product category: New3
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
1mg
Other Sizes
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Product Description
SR19881 is a potent dual agonist of ERRγ and ERRβ with EC50 of 0.39 and 0.63 μM, respectively.
SR-19881 (CAS 2213490-89-0) is a potent dual agonist of estrogen-related receptors ERRγ and ERRβ. It functions as a full agonist of ERRγ with an EC₅₀ value of 0.39 μM in a binding assay and an EC₅₀ value of 4.7 μM in a cell-based assay. SR-19881 has a molecular formula of C₁₉H₂₄N₂O₂ and a molecular weight of 312.41.
Product Application
Overview
SR19881 is a small molecule that functions as a potent dual agonist of estrogen-related receptors ERRγ and ERRβ. These orphan nuclear receptors are key regulators of cellular energy homeostasis, mitochondrial function, and transcriptional programs linked to metabolism. With EC50 values of 0.39 μM for ERRγ and 0.63 μM for ERRβ, SR19881 allows researchers to probe receptor-specific signaling pathways and explore downstream effects in various cellular contexts.

Mechanism of Action
SR19881 binds selectively to ERRγ and ERRβ, stabilizing the receptors in their active conformations and promoting transcriptional activation of target genes. Activation of ERRγ has been associated with regulation of oxidative metabolism and mitochondrial biogenesis, while ERRβ contributes to developmental and metabolic gene programs. By acting on both receptors simultaneously, SR19881 provides a tool to study cooperative and receptor-specific transcriptional effects, enabling mechanistic insights into metabolic regulation, mitochondrial activity, and nuclear receptor biology.

Research Applications
SR19881 is particularly useful in studies focused on energy metabolism, metabolic disorders, and mitochondrial function. In vitro assays can employ SR19881 to activate ERRγ/ERRβ-dependent transcription and assess downstream metabolic or gene expression changes. It may also be used in ex vivo tissue models to examine mitochondrial bioenergetics, fatty acid oxidation, or metabolic adaptations.
Additionally, SR19881 can facilitate research into nuclear receptor crosstalk, transcriptional co-regulator recruitment, and gene network analyses. Its dual agonist profile makes it a unique tool for exploring compensatory or synergistic receptor pathways, which are often critical in developmental biology, stem cell differentiation, and metabolic disease models.

Handling and Storage
SR19881 should be stored under dry, low-temperature conditions to preserve stability and activity. For experimental use, it is commonly dissolved in DMSO, ethanol, or other compatible solvents, with stock solutions aliquoted to avoid repeated freeze-thaw cycles.
Researchers can incorporate SR19881 into high-throughput assays, reporter gene analyses, or mechanistic metabolic studies to gain detailed insights into ERRγ and ERRβ signaling.
Contact InvivoChem to request a quote or discuss optimal protocols for integrating SR19881 into your nuclear receptor or metabolic research workflows.
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Biological Activity I Assay Protocols (From Reference)
Targets
SR-19881 targets estrogen-related receptors ERRγ and ERRβ, which are orphan nuclear receptors that serve as key regulators of cellular energy homeostasis, mitochondrial function, and transcriptional programs linked to metabolism. It is a potent dual agonist of ERRγ and ERRβ with EC₅₀ values of 0.39 and 0.63 μM, respectively.
ln Vitro
In vitro, SR-19881 is a potent dual agonist of ERRγ and ERRβ. It has an EC₅₀ value of 0.39 μM in a binding assay and an EC₅₀ value of 4.7 μM in a cell-based assay for ERRγ. It also acts as an agonist of ERRβ with an EC₅₀ of 0.63 μM.
ln Vivo
In vivo data for SR-19881 are limited in the available literature. As a dual agonist of ERRγ and ERRβ, the compound may have potential for research in metabolic disorders, energy homeostasis, and mitochondrial function. Further in vivo studies are needed to evaluate its therapeutic potential.
Enzyme Assay
SR-19881's receptor binding activity has been characterized for ERRγ and ERRβ. Binding assays typically involve measuring the displacement of radiolabeled ligands or using fluorescence-based assays. The compound has an EC₅₀ of 0.39 μM for ERRγ in binding assays and 0.63 μM for ERRβ.
Cell Assay
In vitro cell experiments with SR-19881 involve treating cells expressing ERRγ or ERRβ with the compound and measuring receptor activity using reporter gene assays. The compound has an EC₅₀ of 4.7 μM for ERRγ in cell-based assays. Its effects on metabolic gene expression and mitochondrial function can be assessed.
Animal Protocol
In vivo animal studies with SR-19881 have not been extensively reported in the available literature. The compound is primarily used for in vitro research. Further studies are needed to evaluate its in vivo efficacy, pharmacokinetics, and safety in animal models.
ADME/Pharmacokinetics
Pharmacokinetic data specific to SR-19881 are limited in the available literature. As a small molecule with a molecular weight of 312.41, the compound is expected to have reasonable bioavailability. The compound is stored at -20°C and is soluble in DMSO.
Toxicity/Toxicokinetics
SR-19881 is considered safe for research use at typical concentrations. As a research compound, it is intended for laboratory use only and not for human consumption. The compound should be handled under standard laboratory safety practices with appropriate precautions.
References

[1]. Design, synthesis, and evaluation of simple phenol amides as ERRγ agonists. Bioorg Med Chem Lett. 2018;28(8):1313-1319.

Additional Infomation
SR-19881 is a potent dual agonist of ERRγ and ERRβ, with EC₅₀ values of 0.39 and 0.63 μM, respectively. It functions as a full agonist of ERRγ with an EC₅₀ of 0.39 μM in binding assays and 4.7 μM in cell-based assays. It has a CAS number of 2213490-89-0.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C19H24N2O2
Molecular Weight
312.406064987183
Exact Mass
312.183
CAS #
2213490-89-0
PubChem CID
145978085
Appearance
White to off-white powder
LogP
3.7
Hydrogen Bond Donor Count
2
Hydrogen Bond Acceptor Count
3
Rotatable Bond Count
7
Heavy Atom Count
23
Complexity
341
Defined Atom Stereocenter Count
0
SMILES
CCN(CC)C1=CC=C(C=C1)CCNC(=O)C2=CC=C(C=C2)O
InChi Key
BECNZUWIKCKMJG-UHFFFAOYSA-N
InChi Code
InChI=1S/C19H24N2O2/c1-3-21(4-2)17-9-5-15(6-10-17)13-14-20-19(23)16-7-11-18(22)12-8-16/h5-12,22H,3-4,13-14H2,1-2H3,(H,20,23)
Chemical Name
N-[2-[4-(diethylamino)phenyl]ethyl]-4-hydroxybenzamide
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO: ~100 mg/mL (~320.1 mM; with ultrasonication)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (8.00 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween-80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), Clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of DMSO stock solution (25.0 mg/mL) to 400 μL of PEG300 and mix well; then add 50 μL of Tween-80 and mix well; finally add 450 μL of physiological saline and adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 2.5 mg/mL (8.00 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), Clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of DMSO stock solution (25.0 mg/mL) to 900 μL of 20% SBE-β-CD saline and mix well.
Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.

Solubility in Formulation 3: ≥ 2.5 mg/mL (8.00 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), Clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of DMSO stock solution (25.0 mg/mL) to 900 μL of corn oil and mix well.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 3.2009 mL 16.0046 mL 32.0092 mL
5 mM 0.6402 mL 3.2009 mL 6.4018 mL
10 mM 0.3201 mL 1.6005 mL 3.2009 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

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What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
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  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
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Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
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In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration: mg/mL;

Method for preparing DMSO stock solution: mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation::Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

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