NS-398
Based on 21 publication(s) in Google Scholar
NS-398 is a non-steroidal an-inflammatory agent with analgesic and antipyretic effects, and selectively inhibits prostaglandin G/H synthase 2/cyclooxygenase 2 (COX-2) activity, with an IC50 of 3.8 μM, and has no effect on COX-1 at 100 μM.
Nur für Forschungszwecke. Wir verkaufen nicht an Patienten.
- Reinheit: 99.71%
- CAS. Nr.: 123653-11-2
- Formel: C13H18N2O5S
- Molecular Weight:314.36
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Speicherung:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 2 years , -20°C, 1 year
Publications Citing Use of MedChemExpress (MCE) NS-398
More- Nat Neurosci. 2024 Feb;27(2):232-248. [Abstract]
- Nat Commun. 2024 Sep 12;15(1):7996. [Abstract]
- Acta Pharm Sin B. 2024 Jan;14(1):273-291. [Abstract]
- EBioMedicine. 2019 Jul:45:341-350. [Abstract]
- J Neuroinflammation. 2025 Oct 14;22(1):233. [Abstract]
- Genes Dis. 2026 Jun 15.
- Cell Commun Signal. 2023 Sep 18;21(1):242. [Abstract]
- Cells. 2024 Jan 23;13(3):206. [Abstract]
- Int Immunopharmacol. 2026 Aug 15:183:116873. [Abstract]
- Toxicology. 2022 May 30:474:153213. [Abstract]
- Front Microbiol. 2020 May 20;11:987. [Abstract]
- Mol Cell Endocrinol. 2025 Jan 24:112470. [Abstract]
- Mol Med Rep. 2019 Oct;20(4):3811-3819. [Abstract]
- Andrology. 2024 May 22. [Abstract]
- J Dent Sci. 2025 Nov 1.
- Mol Biol Rep. 2025 Jul 15;52(1):710. [Abstract]
- Am J Transl Res. 2022 May 15;14(5):3360-3371. [Abstract]
- Res Sq. 2024 Jun 17.
- bioRxiv. 2023 Nov 12:2023.09.11.557146. [Abstract]
- Research Square Preprint. 2021 Nov.
- Research Square Preprint. 2021 Jan.
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IF
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IF
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IF
Biologische Aktivität
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COX-2 3.8 μM (IC50) |
|
Cell Line
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Type | Value | Description | References |
|---|---|---|---|---|
| A549 | IC50 |
20 μM
Compound: 1, NS-398
|
Inhibition of mPGES-1 in human A549 cell microsomes assessed as conversion of PGH2 into PGE2 at 0 degC after 5 mins by HPLC-UV analysis
Inhibition of mPGES-1 in human A549 cell microsomes assessed as conversion of PGH2 into PGE2 at 0 degC after 5 mins by HPLC-UV analysis
|
[PMID: 22209272] |
| HaCaT | IC50 |
10 nM
Compound: NS-398
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Inhibition of PGE2 production in human HaCaT cells after 24 hrs by RIA
Inhibition of PGE2 production in human HaCaT cells after 24 hrs by RIA
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[PMID: 15387642] |
| RAW264.7 | IC50 |
>10 μM
Compound: NS-398
|
Antiinflammatory activity against LPS-stimulated mouse RAW264.7 cells assessed as nitrite accumulation after 20 hrs by fluorimetry
Antiinflammatory activity against LPS-stimulated mouse RAW264.7 cells assessed as nitrite accumulation after 20 hrs by fluorimetry
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[PMID: 11678654] |
| RAW264.7 | IC50 |
0.007 μM
Compound: NS-398
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Inhibition of COX-2 in mouse RAW264.7 cells assessed as decrease in LPS-induced PGE2 production treated prior to LPS challenge by enzyme immunoassay
Inhibition of COX-2 in mouse RAW264.7 cells assessed as decrease in LPS-induced PGE2 production treated prior to LPS challenge by enzyme immunoassay
|
[PMID: 24656662] |
| RAW264.7 | IC50 |
0.007 μM
Compound: NS-398
|
Inhibition of mPGES-1 in mouse RAW264.7 cells assessed as reduction in LPS-induced PGE2 production after 24 hrs
Inhibition of mPGES-1 in mouse RAW264.7 cells assessed as reduction in LPS-induced PGE2 production after 24 hrs
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[PMID: 27720548] |
| RAW264.7 | IC50 |
0.00723 μM
Compound: NS-398
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Antiinflammatory activity in mouse RAW264.7 cells assessed as inhibition of LPS-induced PGE2 production after 24 hrs by enzyme immunoassay
Antiinflammatory activity in mouse RAW264.7 cells assessed as inhibition of LPS-induced PGE2 production after 24 hrs by enzyme immunoassay
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[PMID: 29107425] |
| RAW264.7 | IC50 |
0.05 μM
Compound: NS-398
|
Inhibition of COX2-mediated PGE2 production in LPS-stimulated mouse RAW264.7 cells by enzyme immunoassay
Inhibition of COX2-mediated PGE2 production in LPS-stimulated mouse RAW264.7 cells by enzyme immunoassay
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[PMID: 19233646] |
| RAW264.7 | IC50 |
0.1 μM
Compound: NS-398
|
Inhibition of IFN-gamma/LPS-induced PGE2 production in mouse RAW264.7 cells after 17 to 20 hrs by EIA method
Inhibition of IFN-gamma/LPS-induced PGE2 production in mouse RAW264.7 cells after 17 to 20 hrs by EIA method
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[PMID: 25027933] |
| RAW264.7 | IC50 |
0.5 μM
Compound: NS-398
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Evaluated for inhibition of COX-2 catalyzed PGE-2 production from LPS induced RAW 264.7 cells
Evaluated for inhibition of COX-2 catalyzed PGE-2 production from LPS induced RAW 264.7 cells
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[PMID: 14980657] |
| RAW264.7 | IC50 |
0.81 μM
Compound: NS-398
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Inhibition of COX2 in mouse RAW264.7 cells by enzyme immunoassay
Inhibition of COX2 in mouse RAW264.7 cells by enzyme immunoassay
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[PMID: 20056549] |
| RAW264.7 | IC50 |
2.1 μM
Compound: NS-398
|
Antiinflammatory activity against LPS-stimulated mouse RAW264.7 cells assessed as PGE2 accumulation after 20 hrs by RIA
Antiinflammatory activity against LPS-stimulated mouse RAW264.7 cells assessed as PGE2 accumulation after 20 hrs by RIA
|
[PMID: 11678654] |
| RAW264.7 | IC50 |
4.8 μM
Compound: NS-398
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Antiinflammatory activity in mouse RAW264.7 cells assessed as inhibition of LPS-induced PGE2 production by EIA
Antiinflammatory activity in mouse RAW264.7 cells assessed as inhibition of LPS-induced PGE2 production by EIA
|
[PMID: 20004572] |
| RAW264.7 | IC50 |
6.7 nM
Compound: NS-398
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Antiinflammatory activity against LPS-stimulated mouse RAW264.7 cells assessed as decrease in PGE2 production preincubated for 1 hr followed by LPS stimulation and measured after 24 hrs by ELISA
Antiinflammatory activity against LPS-stimulated mouse RAW264.7 cells assessed as decrease in PGE2 production preincubated for 1 hr followed by LPS stimulation and measured after 24 hrs by ELISA
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[PMID: 31747281] |
| RAW264.7 | IC50 |
6.74 μM
Compound: NS398
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Antiinflammatory activity in mouse RAW264.7 cells assessed as inhibition of LPS-stimulated PGE2 production by ELISA
Antiinflammatory activity in mouse RAW264.7 cells assessed as inhibition of LPS-stimulated PGE2 production by ELISA
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[PMID: 28408221] |
| RAW264.7 | IC50 |
63.7 μM
Compound: NS-398
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Inhibition of COX1 in mouse RAW264.7 cells by enzyme immunoassay
Inhibition of COX1 in mouse RAW264.7 cells by enzyme immunoassay
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[PMID: 20056549] |
| RAW264.7 | IC50 |
7 nM
Compound: NS-398
|
Suppression of PGE2 production in LPS-induced mouse RAW264.7 cells after 24 hrs by enzyme immunoassay
Suppression of PGE2 production in LPS-induced mouse RAW264.7 cells after 24 hrs by enzyme immunoassay
|
[PMID: 26602278] |
| RAW264.7 | IC50 |
7 nM
Compound: NS398
|
Inhibition of PGE2 production in LPS-induced mouse RAW264.7 cells
Inhibition of PGE2 production in LPS-induced mouse RAW264.7 cells
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[PMID: 25453800] |
| RAW264.7 | IC50 |
7.01 nM
Compound: NS398
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Antiinflammatory activity against mouse RAW264.7 cells assessed as inhibition of LPS-induced PGE2 production administered 1 hr prior to LPS-challenge measured after 24 hrs by EIA
Antiinflammatory activity against mouse RAW264.7 cells assessed as inhibition of LPS-induced PGE2 production administered 1 hr prior to LPS-challenge measured after 24 hrs by EIA
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[PMID: 24360561] |
| RAW264.7 | IC50 |
7.23 nM
Compound: NS-398
|
Antiinflammatory activity in mouse RAW264.7 cells assessed as inhibition of LPS-induced PGE2 production pretreated for 1 hr followed by LPS addition measured after 24 hrs
Antiinflammatory activity in mouse RAW264.7 cells assessed as inhibition of LPS-induced PGE2 production pretreated for 1 hr followed by LPS addition measured after 24 hrs
|
[PMID: 29102229] |
| SK-BR-3 | IC50 |
0.68 μM
Compound: 1
|
Inhibition of aromatase in human SKBR3 cells by tritiated water release assay
Inhibition of aromatase in human SKBR3 cells by tritiated water release assay
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[PMID: 18271519] |
| SK-BR-3 | IC50 |
0.68 μM
Compound: NS-398
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Inhibition of CYP450 aromatase activity in SK-BR-3 cells
Inhibition of CYP450 aromatase activity in SK-BR-3 cells
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[PMID: 16480277] |
| SK-BR-3 | IC50 |
0.72 μM
Compound: 2e
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Cytotoxicity against human SK-BR-3 cells after 24 hrs by MTT assay relative to NS398
Cytotoxicity against human SK-BR-3 cells after 24 hrs by MTT assay relative to NS398
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[PMID: 17095221] |
NS-398 is a non-steroidal an-inflammatory agent, selectively inhibits prostaglandin G/H synthase/cyclooxygenase (COX-2) activity, with an IC50 of 3.8 μM, and has no effect on COX-1 at 100 μM[1]. NS-398 weakly inhibits PG endoperoxide synthase activity from sheep seminal vesicle microsomes (IC50, 11 μM)[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS. Nr. 123653-11-2
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Appearance Solid
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Molecular Weight 314.36
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Formel C13H18N2O5S
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Color Light yellow to yellow
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SMILES
CS(=O)(NC1=CC=C([N+]([O-])=O)C=C1OC2CCCCC2)=O
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Versand
Room temperature in continental US; may vary elsewhere.
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Speicherung
Powder -20°C 3 years 4°C 2 years In solvent -80°C 2 years -20°C 1 year
Publications (21)
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Journal Impact Factor
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Most Recent
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Nat Neurosci
Synaptic-like transmission between neural axons and arteriolar smooth muscle cells drives cerebral neurovascular coupling. [Abstract]2024 Feb;27(2):232-248. PMID: 38168932 -
Nat Commun
Engineered model of heart tissue repair for exploring fibrotic processes and therapeutic interventions. [Abstract]2024 Sep 12;15(1):7996. PMID: 39266508 -
Acta Pharm Sin B
Adiponectin restores the obesity-induced impaired immunomodulatory function of mesenchymal stromal cells via glycolytic reprogramming. [Abstract]2024 Jan;14(1):273-291. PMID: 38261813 -
EBioMedicine
Clearance of apoptotic cells by mesenchymal stem cells contributes to immunosuppression via PGE2. [Abstract]2019 Jul:45:341-350. PMID: 31248835 -
J Neuroinflammation
IL-1β+ tumor-associated macrophages accelerate glioblastoma progression by amplifying the PGE2-EP4 signaling. [Abstract]2025 Oct 14;22(1):233. PMID: 41088217 -
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Cell Commun Signal
Exo-miR-1290-induced by COX-2 overexpression promotes cancer-associated fibroblasts activation and tumor progression by CUL3-Nrf2 pathway in lung adenocarcinoma. [Abstract]2023 Sep 18;21(1):242. PMID: 37723559 -
Cells
Blastocyst-Derived Lactic Acid May Regulate S100A6 Expression and Function in Mouse Decidualization via Stimulation of Uterine Epithelial Arachidonic Acid Secretion. [Abstract]2024 Jan 23;13(3):206. PMID: 38334598 -
Int Immunopharmacol
Oxyphenbutazone suppresses non-canonical inflammasome activation and protects against LPS-induced sepsis. [Abstract]2026 Aug 15:183:116873. PMID: 42150290 -
Toxicology
Preconception exposure to dibutyl phthalate (DBP) impairs spermatogenesis by activating NF-κB/COX-2/RANKL signaling in Sertoli cells. [Abstract]2022 May 30:474:153213. PMID: 35605887 -
Front Microbiol
Cyclooxygenase-2 Facilitates Newcastle Disease Virus Proliferation and Is as a Target for Canthin-6-One Antiviral Activity. [Abstract]2020 May 20;11:987. PMID: 32508794 -
Mol Cell Endocrinol
Cyclooxygenase 2 overexpression suppresses Smad3 and augments ERK1/2 signaling activated by TGFβ1 in endometrial stromal cells: A novel insight into endometriosis pathogenesis. [Abstract]2025 Jan 24:112470. PMID: 39864487 -
Mol Med Rep
COX‑2 promotes epithelial‑mesenchymal transition and migration in osteosarcoma MG‑63 cells via PI3K/AKT/NF‑κB signaling. [Abstract]2019 Oct;20(4):3811-3819. PMID: 31485669
NS-398 purchased from MedChemExpress. Usage Cited in: Mol Med Rep. 2019 Oct;20(4):3811-3819. [Abstract]
Expression of E-cadherin and vimentin is regulated by COX‑2. MG‑63 cells are infected with control or COX-2-overexpressing lentivirus, and treated with or without the COX‑2 inhibitor NS398 or the PI3K inhibitor LY294002. (A) The expression of E-cadherin (green) in each group was determined using immunofluorescence. (B) Quantification of E‑cadherin expression.
NS-398 purchased from MedChemExpress. Usage Cited in: Mol Med Rep. 2019 Oct;20(4):3811-3819. [Abstract]
Expression of E-cadherin and vimentin is regulated by COX‑2. MG‑63 cells are infected with control or COX-2-overexpressing lentivirus, and treated with or without the COX‑2 inhibitor NS398 or the PI3K inhibitor LY294002. (C) The expression of vimentin in each group. (D) Quantification of vimentin expression.
NS-398 purchased from MedChemExpress. Usage Cited in: Mol Med Rep. 2019 Oct;20(4):3811-3819. [Abstract]
Expression of NF‑κB p65 protein is regulated by COX‑2. MG‑63 cells were infected with control or COX‑2‑overexpressing lentivirus, and treated with or without the COX‑2 inhibitor NS398 or the PI3K inhibitor LY294002. (A)The expression of NF-κB p65 (green) in each group was determined by immunofluorescence. (B) Quantification of NF-κB p65 expression.
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Andrology
Cellular mechanism underlying leptin-induced anion secretion of rat epididymal epithelial cells. [Abstract]2024 May 22. PMID: 38778669 -
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Mol Biol Rep
The interaction between COX-2 and endoplasmic reticulum stress is involved in liver ischemia-reperfusion injury in mice. [Abstract]2025 Jul 15;52(1):710. PMID: 40663274 -
Am J Transl Res
Interaction between COX-2 and ER stress is involved in the apoptosis-induced myocardial ischemia/reperfusion injury. [Abstract]2022 May 15;14(5):3360-3371. PMID: 35702111 -
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bioRxiv
Suppression of progesterone by influenza A virus mediates adverse maternal and fetal outcomes in mice. [Abstract]2023 Nov 12:2023.09.11.557146. PMID: 37745453 -
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Lösungsmittel & Löslichkeit
DMSO : 33.33 mg/mL (106.02 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
Konzentration (Stammlösung) × Volumen (Stammlösung) = Konzentration (Ziellösung) × Volumen (Ziellösung)
Select the appropriate dissolution method based on your experimental animal and administration route.
- For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
- To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for In Vivo experiments, it is recommended to prepare freshly and use it on the same day.
- The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.
Add each solvent one by one: 10% DMSO 90% (20% SBE-β-CD in Saline)
Solubility: 2.5 mg/mL (7.95 mM); Suspended solution; Need ultrasonic
This protocol yields a suspended solution of 2.5 mg/mL. Suspended solution can be used for oral and intraperitoneal injection.
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
Add each solvent one by one: 10% DMSO 40% PEG300 5% Tween-80 45% Saline
Solubility: ≥ 1.67 mg/mL (5.31 mM); Clear solution
This protocol yields a clear solution of ≥ 1.67 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (16.7 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.
Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
Please enter the basic information of animal experiments:
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Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
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%DMSO +
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
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%+
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+%Tween-80 + +
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%Saline +
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Working solution concentration: 0.22 mg/mL
Method for preparing stock solution: mg drug dissolved in μL DMSO. Stock solution concentration: mg/mL.
1. Take μL DMSO stock solution;
2. Add μL .
μL , mix evenly;
3. Then add μL Tween 80, mix evenly;
4. Then add μL
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Protokoll
Mice[2]
Briefly, male ddy mice weighing about 30 g are used. The writhing syndrome is induced by injecting 0.75% of acetic acid, intraperitoneally. Ten minutes later, the number of writhings are counted for the next 10 min. NS-398 is administered orally 30 min prior to the injection. The analgesic effect is expressed as % of inhibition, compared with the vehicle-treated control[2].
Rats[2]
Briefly, male Lewis rats weighing about 160 g are used. Arthritis is induced by injecting 0.1 mL of 0.7% Mycobacterium tubercu-losis-liquid paraffin into the left hind paw. On day 15, the rats are grouped according to the degree of secondary lesions in the right hind paw. NS-398 is administered orally once daily from days 15 to 18. Foot volume is measured on day 19. Relative edema volume (REV) is calculated for each animal[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Reinheit & Dokumentation
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Data Sheet (280 KB)
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SDS (393 KB)
- English - EN (393 KB)
- Français - FR (393 KB)
- Deutsch - DE (393 KB)
- Norwegian - NO (393 KB)
- Español - ES (393 KB)
- Swedish - SV (393 KB)
- Italian - IT (393 KB)
- Korean - KR (393 KB)
- Portuguese - PT (393 KB)
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Handling Instructions (2659 KB)
Verweise
[1]. Futaki N, et al. NS-398, a new anti-inflammatory agent, selectively inhibits prostaglandin G/H synthase/cyclooxygenase (COX-2) activity in vitro. Prostaglandins. 1994 Jan;47(1):55-9. [Content Brief]
[2]. Futaki N, et al. NS-398, a novel non-steroidal anti-inflammatory drug with potent analgesic and antipyretic effects, which causes minimal stomach lesions. Gen Pharmacol. 1993 Jan;24(1):105-10. [Content Brief]
Complete Stock Solution Preparation Table
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| DMSO | 1 mM | 3.1811 mL | 15.9053 mL | 31.8107 mL | 79.5267 mL |
| 5 mM | 0.6362 mL | 3.1811 mL | 6.3621 mL | 15.9053 mL | |
| 10 mM | 0.3181 mL | 1.5905 mL | 3.1811 mL | 7.9527 mL | |
| 15 mM | 0.2121 mL | 1.0604 mL | 2.1207 mL | 5.3018 mL | |
| 20 mM | 0.1591 mL | 0.7953 mL | 1.5905 mL | 3.9763 mL | |
| 25 mM | 0.1272 mL | 0.6362 mL | 1.2724 mL | 3.1811 mL | |
| 30 mM | 0.1060 mL | 0.5302 mL | 1.0604 mL | 2.6509 mL | |
| 40 mM | 0.0795 mL | 0.3976 mL | 0.7953 mL | 1.9882 mL | |
| 50 mM | 0.0636 mL | 0.3181 mL | 0.6362 mL | 1.5905 mL | |
| 60 mM | 0.0530 mL | 0.2651 mL | 0.5302 mL | 1.3254 mL | |
| 80 mM | 0.0398 mL | 0.1988 mL | 0.3976 mL | 0.9941 mL | |
| 100 mM | 0.0318 mL | 0.1591 mL | 0.3181 mL | 0.7953 mL |