NST-628
Based on 1 Customer Validation
NST-628 is a brain-permeable MAPK pathway molecule glue that inhibits RAF phosphorylation and MEK activation. NST-628 also binds RAF and prevents the formation of BRAF-CRAF and BRAF-ARAF heterodimers, effectively inhibiting the RAS-MAPK pathway. NST-628 inhibits RAS- and RAF-driven cancers and demonstrated potent inhibition in mutant KRAS, NRAS, BRAF class II/III, and NF1-mutant tumors.
商品は「研究用試薬」です。人や動物の医療用・臨床診断用・食品用の製品ではありません。
研究用途以外に使用した場合、当社は一切の責任を負いかねます。
- 純度: 99.35%
- CAS 番号: 3002056-30-3
- 分子式: C22H18F2N4O5S
- 分子量:488.46
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保管条件:Powder -20°C, 3 years ; In solvent -80°C, 6 months , -20°C, 1 month
To place orders, for customer services and technical support, please contact: MedChemExpress USA
Tel: 609-228-6898 E-mail: [email protected] [email protected]
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生物活性
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化学情報
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溶剤 & 溶解度
- 純度とドキュメンテーション
- 参考文献
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Help & FAQs
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MEK アイソフォーム固有の製品をすべて表示
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生物活性
NST-628 (100 nM; 2 h) has higher antiproliferative activity in BRAF class II/III mutant cell models compared to other RAF and MEK inhibitors, and it does not promote the formation of BRAF and CRAF heterodimers[2].
NST-628 (4-100 nM; 48 h) increases the levels of early and late apoptotic cells and reduces the number of live cells in a dose-dependent manner in NRAS mutant IPC-298 and SK-MEL-2, NF1 mutant MeWo, and KRAS mutant HCT116 cell lines[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Cell Line:NRAS mutant IPC-298 and SK-MEL-2, NF1 mutant MeWo, and KRAS mutant HCT116 cell
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Concentration:4, 20, 100 nM
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Incubation Time:48 h
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Result:100 nmol/L NST-628 induced the highest level of apoptosis. Equivalent to the MEK inhibitor Trametinib (HY-10999) and showed greater potency than the MEK inhibitor Cobimetinib (HY-13064), the RAF-MEK inhibitor Avutometinib (HY-18652) and the type II RAF inhibitors Belvarafenib (HY-109080) and Tovorafenib (HY-15246).
NST-628 (p.o.; 3 mg/kg; qd, 5 mg/kg; qd, or 1.5 mg/kg; b.i.d) can significantly slow tumor growth in mouse models with KRAS and NRAS mutations. NST-628 also leads to tumor regressions in the SK-MEL-2-luc model[2].
NST-628 (i.g.; 0.3-3 mg/kg; qd; 18-20 days) inhibites the RAS-MAPK pathway in mice in a dose-dependent manner. NST-628 also exhibites strong antitumor activity in the MeWo-luc model[2].
NST-628 (i.g.; 2 mg/kg; qd; 26 days) slows tumor growth and effectively inhibits the RAS–MAPK pathway in NCI-H23 KRASG12C-mutant lung adenocarcinoma model[2].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Animal Model:mouse models with KRAS and NRAS mutations [2]
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Dosage:3 mg/kg; qd, 5 mg/kg; qd, and 1.5 mg/kg; b.i.d
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Administration:p.o.
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Result:Significantly inhibited MEK and ERK phosphorylation in tumor tissues.
Demonstrated superior anti-tumor efficacy and better tolerability than existing MEK inhibitors (e.g. Cobimetinib (HY-13064)) and RAF inhibitors (e.g. Belvarafenib (HY-109080)).
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Animal Model:NCI-H23 KRASG12C-mutant lung adenocarcinoma model [2]
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Dosage:2 mg/kg; 26 days
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Administration:i.g.; qd
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Result:The combination of NST-628 and sotorasib resulted in deep tumor regressions that were durable for the 40-day study duration.The combination led to a significant decrease in phospho-ERK levels.
| NCT Number | Sponsor | Condition | Start Date |
Phase
|
|---|---|---|---|---|
| NCT01329991 | Plexxikon| | 2011-05 | PHASE1 |
化学情報
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CAS 番号 3002056-30-3
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性状 Solid
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分子量 488.46
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分子式 C22H18F2N4O5S
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Color White to off-white
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SMILES
FC1=C(OC2=CC=C(C(C)=C(CC3=C(F)C(NS(NC)(=O)=O)=NC=C3)C(O4)=O)C4=C2)N=CC=C1
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輸送条件
Room temperature in continental US; may vary elsewhere.
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保管条件
Powder -20°C 3 years In solvent -80°C 6 months -20°C 1 month
溶剤 & 溶解度
DMSO : 100 mg/mL (204.73 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, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
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, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
濃度 (開始) × 体積 (開始) = 濃度 (終了) × 体積 (終了)
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 40% PEG300 5% Tween-80 45% Saline
Solubility: ≥ 5 mg/mL (10.24 mM); Clear solution
This protocol yields a clear solution of ≥ 5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (50.0 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.
純度とドキュメンテーション
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データシート (277 KB)
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SDS (251 KB)
- English - EN (251 KB)
- Français - FR (251 KB)
- Deutsch - DE (251 KB)
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- Korean - KR (251 KB)
- Portuguese - PT (251 KB)
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取扱説明書 (2659 KB)
参考文献
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, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
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| DMSO | 1 mM | 2.0473 mL | 10.2363 mL | 20.4725 mL | 51.1813 mL |
| 5 mM | 0.4095 mL | 2.0473 mL | 4.0945 mL | 10.2363 mL | |
| 10 mM | 0.2047 mL | 1.0236 mL | 2.0473 mL | 5.1181 mL | |
| 15 mM | 0.1365 mL | 0.6824 mL | 1.3648 mL | 3.4121 mL | |
| 20 mM | 0.1024 mL | 0.5118 mL | 1.0236 mL | 2.5591 mL | |
| 25 mM | 0.0819 mL | 0.4095 mL | 0.8189 mL | 2.0473 mL | |
| 30 mM | 0.0682 mL | 0.3412 mL | 0.6824 mL | 1.7060 mL | |
| 40 mM | 0.0512 mL | 0.2559 mL | 0.5118 mL | 1.2795 mL | |
| 50 mM | 0.0409 mL | 0.2047 mL | 0.4095 mL | 1.0236 mL | |
| 60 mM | 0.0341 mL | 0.1706 mL | 0.3412 mL | 0.8530 mL | |
| 80 mM | 0.0256 mL | 0.1280 mL | 0.2559 mL | 0.6398 mL | |
| 100 mM | 0.0205 mL | 0.1024 mL | 0.2047 mL | 0.5118 mL |
NST-628 関連分類
HY-158115 関連分類
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