1. Immunology/Inflammation
  2. COX
  3. Isoorientin

Isoorientin  (Synonyms: Homoorientin)

製品番号: HY-N0767 純度: 99.26%
COA 取扱説明書

Isoorientin is a potent inhibitor of COX-2 with an IC50 value of 39 μM.


Isoorientin 構造式

Isoorientin 構造式

CAS 番号 : 4261-42-1

容量 価格(税別) 在庫状況 数量
Solid + Solvent
10 mM * 1 mL in DMSO
ready for reconstitution
USD 105 在庫あり
10 mM * 1 mL in DMSO USD 105 在庫あり
1 mg USD 42 在庫あり
5 mg USD 95 在庫あり
10 mg USD 150 在庫あり
25 mg USD 300 在庫あり
50 mg USD 480 在庫あり
100 mg   お問い合わせ  
200 mg   お問い合わせ  

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Based on 5 publication(s) in Google Scholar

Top Publications Citing Use of Products

    Isoorientin purchased from MedChemExpress. Usage Cited in: Pharmaceuticals. 2022, 15(12), 1541.

    Isoorientin (ISO; 36.54 µM; 0-24 h) considerably decreases the expression levels of p-ERK, p-STAT3, and NF-κB while significantly upregulating the expression levels of p-JNK, p-p38, and IκBα in a time-dependent way, in AGS cells.

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    Isoorientin is a potent inhibitor of COX-2 with an IC50 value of 39 μM.

    IC50 & Target[1]


    39 μM (IC50)


    Isoorientin is a Selective Inhibitor of Cyclooxygenase-2 (COX-2) from the Tubers of Pueraria tuberosa[1]. PANC-1 and PATU-8988 cells are grown for 24 hours in the presence of Isoorientin (0, 20, 40, 80, and 160 μM), and a CCK8 solution is added. The cell viability decreases significantly at the concentrations of 20, 40, 80, and 160 μM. After the cells are cultured with Isoorientin (0, 20, 40, 80, and 160 μM for PANC-1; 0, 20, 40, 80, 160, and 320 μM for PATU-8988) for 24 hours, the expression of p-AMPK and AMPK is assessed by Western blotting. After the Isoorientin treatment, the p-AMPK expression is increased. Then, in the shRNA group, the concentration of 80 μM is used to detect the effects of Isoorientin. The expression levels of AMPK and p-AMPK are much lower in the shRNA group than in the wild-type PC cells (WT) and the group that is transfected with a negative control lentivirus (NC)[2].

    MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.


    Animals treated with Isoorientin at 10 mg/kg and 20 mg/kg body weight have a statistically significant reduction in paw edema, with a mean peak thickness of 1.19±0.05 mm and 1.08±0.04 mm, respectively. This indicated that Isoorientin significantly attenuates paw edema compared with the control group[3].

    MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.







    CAS 番号


    Structure Classification
    Initial Source

    Room temperature in continental US; may vary elsewhere.

    Powder -20°C 3 years
      4°C 2 years
    In solvent -80°C 6 months
      -20°C 1 month
    溶剤 & 溶解度

    DMSO : ≥ 100 mg/mL (223.03 mM)

    *"≥" means soluble, but saturation unknown.

    Stock Solutions
    Concentration Solvent Mass 1 mg 5 mg 10 mg
    1 mM 2.2303 mL 11.1513 mL 22.3025 mL
    5 mM 0.4461 mL 2.2303 mL 4.4605 mL
    10 mM 0.2230 mL 1.1151 mL 2.2303 mL
    *Please refer to the solubility information to select the appropriate solvent.
    • 1.

      Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% Saline

      Solubility: ≥ 2.5 mg/mL (5.58 mM); Clear solution

    • 2.

      Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in Saline)

      Solubility: ≥ 2.5 mg/mL (5.58 mM); Clear solution

    *All of the co-solvents are available by MedChemExpress (MCE).

    PANC-1 and PATU-8988 cells are plated onto 96-well plates. Each well contain ~5,000 cells and 200 μL of the medium with 10% FBS. When the cells of each well reach 70% confluency, the medium is changed, and FBS-free medium with different concentrations of Isoorientin is added. After 24 hours, the cells are washed with PBS once, the medium containing Isoorientin is discarded, and 100 μL of FBS-free medium with 10 μL of the Cell Counting Kit 8 (CCK8) reagent are added. The cells are incubated for another 1-2 hours at 37°C, and the absorbance of each well is detected using an ELISA reader at 490 nm. Cell viability is expressed as the fold change of absorbance[2].

    MedChemExpress (MCE) はこれらの方法の精度を確認していません。 こちらは参照専用です。


    In the case of paw edema model the Isoorientin or Celecoxib is given intraperitoneally and Carrageenan is injected into the paw directly one hour later. In air pouch model all the treatments are given along with Carrageenan directly into the pouch cavity. Isoorientin is injected three hours earlier than injection of Carrageenan into the pouch cavity. Isoorientin and Celecoxib are administered into the mice air pouch. The stock solutions of Isoorientin (100 mg/mL) and Celecoxib (100 mg/mL) are prepared in DMSO and further dilutions are made at the time of treatments. Animals are divided, into 5 different groups as follows: control (DMSO treated); Carrageenan (0.5 mL of 1.5% (w/v) Carrageenan in saline) treated; Carrageenan+Celecoxib (20 mg/kg body weight) treated; Carrageenan+Isoorientin (10 mg/Kg body weight) treated; Carrageenan+Isoorientin (20 mg/Kg body weight) treated.

    MedChemExpress (MCE) はこれらの方法の精度を確認していません。 こちらは参照専用です。

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    Isoorientin Related Classifications

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    • Do most proteins show cross-species activity?

      Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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