EB-47
Based on 6 publication(s) in Google Scholar
EB-47, a potent and selective PARP-1/ARTD-1 inhibitor with an IC50 value of 45 nM, shows modest potency against ARTD5 with an IC50 value of 410 nM. EB-47 mimics the substrate NAD+ and extends from the nicotinamide to the adenosine subsite.
For research use only. We do not sell to patients.
- Purity: 99.89%
- CAS No.: 366454-36-6
- Formula: C24H27N9O6
- Molecular Weight:537.53
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Storage:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 6 months , -20°C, 1 month
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Biological Activity
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Chemical Information
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Solvent & Solubility
- Purity & Documentation
- References
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Help & FAQs
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Publications Citing Use of MedChemExpress (MCE) EB-47
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Biological Activity
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ARTD1/PARP1 45 nM (IC50) |
EB-47 shows inhibition in excess of 50% with CdPARP, and it is able to inhibit CdPARP and HsPARP with IC50 values of 0.86 and 1.0 µM, respectively[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 366454-36-6
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Appearance Solid
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Molecular Weight 537.53
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Formula C24H27N9O6
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Color White to off-white
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SMILES
O=C1NCC2=C(C=CC=C21)NC(CN3CCN(CC3)C([C@H]4O[C@H]([C@@H]([C@@H]4O)O)N5C6=C(N=C5)C(N)=NC=N6)=O)=O
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month
Publications (6)
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Journal Impact Factor
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Most Recent
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Neuron
2026 Apr 16:S0896-6273(26)00218-7. PMID: 41997149 -
Nucleic Acids Res
The CSB chromatin remodeler regulates PARP1- and PARP2-mediated single-strand break repair at actively transcribed DNA regions. [Abstract]2023 Aug 11;51(14):7342-7356. PMID: 37326017 -
J Transl Med
Role of KLF5 in enhancing ovarian cancer stemness and PARPi resistance: mechanisms and therapeutic targeting. [Abstract]2025 Apr 30;23(1):492. PMID: 40307891 -
bioRxiv
2025 May 15:2025.05.14.654090. PMID: 40463025 -
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Solvent & Solubility
DMSO : 100 mg/mL (186.04 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.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
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: ≥ 2.5 mg/mL (4.65 mM); Clear solution
This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 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.
Add each solvent one by one: 10% DMSO 90% (20% SBE-β-CD in Saline)
Solubility: ≥ 2.5 mg/mL (4.65 mM); Clear solution
This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).
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.
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.
Purity & Documentation
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Data Sheet (276 KB)
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SDS (251 KB)
- English - EN (251 KB)
- Français - FR (251 KB)
- Deutsch - DE (251 KB)
- Norwegian - NO (251 KB)
- Español - ES (251 KB)
- Swedish - SV (251 KB)
- Italian - IT (251 KB)
- Korean - KR (251 KB)
- Portuguese - PT (251 KB)
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Handling Instructions (2659 KB)
References
[1]. Haikarainen T, et al. Evaluation and Structural Basis for the Inhibition of Tankyrases by PARP Inhibitors.ACS Med Chem Lett. 2013 Nov 20;5(1):18-22. [Content Brief]
[2]. García-Saura AG, et al. Comparative inhibitory profile and distribution of bacterial PARPs, using Clostridioides difficile CD160 PARP as a model. Sci Rep. 2018 May 23;8(1):8056. [Content Brief]
[3]. Joshi A, et al.PARP1 during embryo implantation and its upregulation by oestradiol in mice.Reproduction. 2014 Jun;147(6):765-80. [Content Brief]
[4]. Jagtap PG, et al. The discovery and synthesis of novel adenosine substituted 2,3-dihydro-1H-isoindol-1-ones: potent inhibitors of poly(ADP-ribose) polymerase-1 (PARP-1).Bioorg Med Chem Lett. 2004 Jan 5;14(1):81-5. [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, 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 |
|---|---|---|---|---|---|
| DMSO | 1 mM | 1.8604 mL | 9.3018 mL | 18.6036 mL | 46.5090 mL |
| 5 mM | 0.3721 mL | 1.8604 mL | 3.7207 mL | 9.3018 mL | |
| 10 mM | 0.1860 mL | 0.9302 mL | 1.8604 mL | 4.6509 mL | |
| 15 mM | 0.1240 mL | 0.6201 mL | 1.2402 mL | 3.1006 mL | |
| 20 mM | 0.0930 mL | 0.4651 mL | 0.9302 mL | 2.3255 mL | |
| 25 mM | 0.0744 mL | 0.3721 mL | 0.7441 mL | 1.8604 mL | |
| 30 mM | 0.0620 mL | 0.3101 mL | 0.6201 mL | 1.5503 mL | |
| 40 mM | 0.0465 mL | 0.2325 mL | 0.4651 mL | 1.1627 mL | |
| 50 mM | 0.0372 mL | 0.1860 mL | 0.3721 mL | 0.9302 mL | |
| 60 mM | 0.0310 mL | 0.1550 mL | 0.3101 mL | 0.7752 mL | |
| 80 mM | 0.0233 mL | 0.1163 mL | 0.2325 mL | 0.5814 mL | |
| 100 mM | 0.0186 mL | 0.0930 mL | 0.1860 mL | 0.4651 mL |
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