MG-277
Based on 1 publication(s) in Google Scholar
MG-277, a molecular glue degrader, effectively induces degradation of a translation termination factor based on Cereblon E3 ligand, GSPT1, with a DC50 of 1.3 nM. MG-277 potently inhibits tumor cell growth in a p53-independent manner, with IC50s of 3.5 nM for RS4;11 cells and 3.4 nM for p53 mutant RS4;11/IRMI-2 cells, respectively. Anticancer activity.
For research use only. We do not sell to patients.
- Purity : 98.68%
- CAS No.: 2411085-89-5
- Formula: C41H42Cl2FN5O5
- Molecular Weight:774.71
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Storage: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) MG-277
MoreAll Eukaryotic Release Factor (eRF) Isoforms
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Biological Activity
Description
IC50 & Target
[1]|
eRF3a/GSPT1 |
Cellular Effect
|
Cell Line
|
Type | Value | Description | References |
|---|---|---|---|---|
| HL-60 | IC50 |
8.3 nM
Compound: MG-277
|
Antiproliferative activity against human HL60 cells with lack of p53 assessed as cell growth inhibition after 4 days by WST-8 assay
Antiproliferative activity against human HL60 cells with lack of p53 assessed as cell growth inhibition after 4 days by WST-8 assay
|
[PMID: 31560543] |
| MDA-MB-231 | IC50 |
>3 μM
Compound: MG-277
|
Antiproliferative activity against human MDA-MB-231 cells transfected with CRBN siRNA LQ-021086-10-0002 assessed as cell growth inhibition after 4 days by WST-8 assay
Antiproliferative activity against human MDA-MB-231 cells transfected with CRBN siRNA LQ-021086-10-0002 assessed as cell growth inhibition after 4 days by WST-8 assay
|
[PMID: 31560543] |
| MDA-MB-231 | IC50 |
>3 μM
Compound: MG-277
|
Antiproliferative activity against human MDA-MB-231 cells transfected with CRBN siRNA LQ-021086-11-0002 assessed as cell growth inhibition after 4 days by WST-8 assay
Antiproliferative activity against human MDA-MB-231 cells transfected with CRBN siRNA LQ-021086-11-0002 assessed as cell growth inhibition after 4 days by WST-8 assay
|
[PMID: 31560543] |
| MDA-MB-231 | IC50 |
0.03 μM
Compound: MG-277
|
Antiproliferative activity against human MDA-MB-231 cells assessed as cell growth inhibition after 4 days in presence of control siRNA for 3 days followed by compound treatment by WST-8 assay
Antiproliferative activity against human MDA-MB-231 cells assessed as cell growth inhibition after 4 days in presence of control siRNA for 3 days followed by compound treatment by WST-8 assay
|
[PMID: 31560543] |
| MDA-MB-231 | IC50 |
1372 nM
Compound: MG-277
|
Binding affinity to cereblon in human MDA-MB-231 cells assessed as reduction in cell growth inhibition measured after 4 days in presence of 30 uM of lenalidomide
Binding affinity to cereblon in human MDA-MB-231 cells assessed as reduction in cell growth inhibition measured after 4 days in presence of 30 uM of lenalidomide
|
[PMID: 31560543] |
| MDA-MB-231 | IC50 |
19.3 nM
Compound: MG-277
|
Antiproliferative activity against human MDA-MB-231 cells transfected with MDM2 siRNA assessed as cell growth inhibition after 4 days by WST-8 assay
Antiproliferative activity against human MDA-MB-231 cells transfected with MDM2 siRNA assessed as cell growth inhibition after 4 days by WST-8 assay
|
[PMID: 31560543] |
| MDA-MB-231 | IC50 |
2138 nM
Compound: MG-277
|
Binding affinity to cereblon in human MDA-MB-231 cells assessed as reduction in cell growth inhibition measured after 4 days in presence of 100 uM of lenalidomide
Binding affinity to cereblon in human MDA-MB-231 cells assessed as reduction in cell growth inhibition measured after 4 days in presence of 100 uM of lenalidomide
|
[PMID: 31560543] |
| MDA-MB-231 | IC50 |
28.9 nM
Compound: MG-277
|
Antiproliferative activity against human MDA-MB-231 cells assessed as cell growth inhibition after 4 days in presence of control siRNA for 2 days followed by compound treatment by WST-8 assay
Antiproliferative activity against human MDA-MB-231 cells assessed as cell growth inhibition after 4 days in presence of control siRNA for 2 days followed by compound treatment by WST-8 assay
|
[PMID: 31560543] |
| MDA-MB-231 | IC50 |
32.2 nM
Compound: MG-277
|
Binding affinity to cereblon in human MDA-MB-231 cells assessed as cell growth inhibition measured after 4 days
Binding affinity to cereblon in human MDA-MB-231 cells assessed as cell growth inhibition measured after 4 days
|
[PMID: 31560543] |
| MDA-MB-231 | IC50 |
39.4 nM
Compound: MG-277
|
Antiproliferative activity against human MDA-MB-231 cells harboring mutant p53 assessed as cell growth inhibition after 4 days by WST-8 assay
Antiproliferative activity against human MDA-MB-231 cells harboring mutant p53 assessed as cell growth inhibition after 4 days by WST-8 assay
|
[PMID: 31560543] |
| MDA-MB-231 | IC50 |
39.4 nM
Compound: MG-277
|
Antiproliferative activity against human MDA-MB-231 cells harboring mutant p53 assessed as cell growth inhibition without interaction with cereblon after 4 days by WST-8 assay
Antiproliferative activity against human MDA-MB-231 cells harboring mutant p53 assessed as cell growth inhibition without interaction with cereblon after 4 days by WST-8 assay
|
[PMID: 31560543] |
| MDA-MB-231 | IC50 |
623.1 nM
Compound: MG-277
|
Binding affinity to cereblon in human MDA-MB-231 cells assessed as reduction in cell growth inhibition measured after 4 days in presence of 10 uM of lenalidomide
Binding affinity to cereblon in human MDA-MB-231 cells assessed as reduction in cell growth inhibition measured after 4 days in presence of 10 uM of lenalidomide
|
[PMID: 31560543] |
| MDA-MB-468 | IC50 |
>1 μM
Compound: MG-277
|
Antiproliferative activity against human MDA-MB-468 cells transfected with CRBN siRNA LQ-021086-10-0002 assessed as cell growth inhibition after 4 days by WST-8 assay
Antiproliferative activity against human MDA-MB-468 cells transfected with CRBN siRNA LQ-021086-10-0002 assessed as cell growth inhibition after 4 days by WST-8 assay
|
[PMID: 31560543] |
| MDA-MB-468 | IC50 |
>1 μM
Compound: MG-277
|
Antiproliferative activity against human MDA-MB-468 cells transfected with CRBN siRNA LQ-021086-11-0002 assessed as cell growth inhibition after 4 days by WST-8 assay
Antiproliferative activity against human MDA-MB-468 cells transfected with CRBN siRNA LQ-021086-11-0002 assessed as cell growth inhibition after 4 days by WST-8 assay
|
[PMID: 31560543] |
| MDA-MB-468 | IC50 |
0.062 μM
Compound: MG-277
|
Antiproliferative activity against human MDA-MB-468 cells assessed as cell growth inhibition after 4 days in presence of control siRNA for 3 days followed by compound treatment by WST-8 assay
Antiproliferative activity against human MDA-MB-468 cells assessed as cell growth inhibition after 4 days in presence of control siRNA for 3 days followed by compound treatment by WST-8 assay
|
[PMID: 31560543] |
| MDA-MB-468 | IC50 |
19.8 nM
Compound: MG-277
|
Antiproliferative activity against human MDA-MB-468 cells transfected with MDM2 siRNA assessed as cell growth inhibition after 4 days by WST-8 assay
Antiproliferative activity against human MDA-MB-468 cells transfected with MDM2 siRNA assessed as cell growth inhibition after 4 days by WST-8 assay
|
[PMID: 31560543] |
| MDA-MB-468 | IC50 |
2072 nM
Compound: MG-277
|
Binding affinity to cereblon in human MDA-MB-468 cells assessed as reduction in cell growth inhibition measured after 4 days in presence of 100 uM lenalidomide
Binding affinity to cereblon in human MDA-MB-468 cells assessed as reduction in cell growth inhibition measured after 4 days in presence of 100 uM lenalidomide
|
[PMID: 31560543] |
| MDA-MB-468 | IC50 |
26.4 nM
Compound: MG-277
|
Antiproliferative activity against human MDA-MB-468 cells harboring mutant p53 assessed as cell growth inhibition after 4 days by WST-8 assay
Antiproliferative activity against human MDA-MB-468 cells harboring mutant p53 assessed as cell growth inhibition after 4 days by WST-8 assay
|
[PMID: 31560543] |
| MDA-MB-468 | IC50 |
26.4 nM
Compound: MG-277
|
Antiproliferative activity against human MDA-MB-468 cells harboring mutant p53 assessed as cell growth inhibition without interaction with cereblon after 4 days by WST-8 assay
Antiproliferative activity against human MDA-MB-468 cells harboring mutant p53 assessed as cell growth inhibition without interaction with cereblon after 4 days by WST-8 assay
|
[PMID: 31560543] |
| MDA-MB-468 | IC50 |
28.7 nM
Compound: MG-277
|
Binding affinity to cereblon in human MDA-MB-468 cells assessed as cell growth inhibition measured after 4 days
Binding affinity to cereblon in human MDA-MB-468 cells assessed as cell growth inhibition measured after 4 days
|
[PMID: 31560543] |
| MDA-MB-468 | IC50 |
31.1 nM
Compound: MG-277
|
Antiproliferative activity against human MDA-MB-468 cells assessed as cell growth inhibition after 4 days in presence of control siRNA for 2 days followed by compound treatment by WST-8 assay
Antiproliferative activity against human MDA-MB-468 cells assessed as cell growth inhibition after 4 days in presence of control siRNA for 2 days followed by compound treatment by WST-8 assay
|
[PMID: 31560543] |
| MDA-MB-468 | IC50 |
418.9 nM
Compound: MG-277
|
Binding affinity to cereblon in human MDA-MB-468 cells assessed as reduction in cell growth inhibition measured after 4 days in presence of 10 uM lenalidomide
Binding affinity to cereblon in human MDA-MB-468 cells assessed as reduction in cell growth inhibition measured after 4 days in presence of 10 uM lenalidomide
|
[PMID: 31560543] |
| MDA-MB-468 | IC50 |
963.9 nM
Compound: MG-277
|
Binding affinity to cereblon in human MDA-MB-468 cells assessed as reduction in cell growth inhibition measured after 4 days in presence of 30 uM lenalidomide
Binding affinity to cereblon in human MDA-MB-468 cells assessed as reduction in cell growth inhibition measured after 4 days in presence of 30 uM lenalidomide
|
[PMID: 31560543] |
| MOLM-13 | IC50 |
24.6 nM
Compound: MG-277
|
Antiproliferative activity against human MOLM13 cells expressing wild type p53 assessed as cell growth inhibition after 4 days by WST-8 assay
Antiproliferative activity against human MOLM13 cells expressing wild type p53 assessed as cell growth inhibition after 4 days by WST-8 assay
|
[PMID: 31560543] |
| MV4-11 | IC50 |
7.8 nM
Compound: MG-277
|
Antiproliferative activity against human MV4-11 cells expressing wild type p53 assessed as cell growth inhibition after 4 days by WST-8 assay
Antiproliferative activity against human MV4-11 cells expressing wild type p53 assessed as cell growth inhibition after 4 days by WST-8 assay
|
[PMID: 31560543] |
| RS4-11 | IC50 |
0.17 nM
Compound: MG-277
|
Antiproliferative activity against human RS4:11 cells expressing wild type p53 assessed as cell growth inhibition without interaction with cereblon after 4 days by WST-8 assay
Antiproliferative activity against human RS4:11 cells expressing wild type p53 assessed as cell growth inhibition without interaction with cereblon after 4 days by WST-8 assay
|
[PMID: 31560543] |
| RS4-11 | IC50 |
2.3 nM
Compound: MG-277
|
Antiproliferative activity against human RS4:11 cells expressing wild type p53 assessed as MDM2-independent cell growth inhibition after 4 days by WST-8 assay
Antiproliferative activity against human RS4:11 cells expressing wild type p53 assessed as MDM2-independent cell growth inhibition after 4 days by WST-8 assay
|
[PMID: 31560543] |
| RS4-11 | IC50 |
3.5 nM
Compound: MG-277
|
Antiproliferative activity against human RS4:11 cells expressing wild type p53 assessed as cell growth inhibition after 4 days by WST-8 assay
Antiproliferative activity against human RS4:11 cells expressing wild type p53 assessed as cell growth inhibition after 4 days by WST-8 assay
|
[PMID: 31560543] |
In Vitro
MG-277 (0.03-10 nM; 24 hours; RS4;11 cells) treatment inhibits cell growth and degrades GSPT1[1].
MG277 has a significantly decreased potency in reducing the level of MDM2 protein in cells and fails to activate wild-type p53. MG-277 is highly potent and effective in inhibition of cell growth in cancer cell lines with wild-type p53, mutated p53, or deleted p53, indicating a p53-independent mechanism. MG-277 induces rapid GSPT1 degradation in cancer cells in a p53- and MDM2-independent manner but in a manner dependent upon cereblon, CUL4 E3 ubiquitin ligase, and proteasomes[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only. Further protocols information, click here.
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Cell Line:RS4;11 cells
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Concentration:0.03 nM, 0.1 nM, 0. 3 nM, 1 nM, 3 nM, 10 nM
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Incubation Time:24 hours
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Result:Degraded GSPT1.
Chemical Information
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CAS No. 2411085-89-5
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Appearance Solid
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Molecular Weight 774.71
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Formula C41H42Cl2FN5O5
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Color White to off-white
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SMILES
ClC1=CC=C2C(NC([C@@]23C4(N[C@H]([C@@H]3C5=CC=CC(Cl)=C5F)C(NCCCCCC6=C(C7=CC=C6)CN(C7=O)C8C(NC(CC8)=O)=O)=O)CCCCC4)=O)=C1
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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 2 years -20°C 1 year
Publications (1)
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Journal Impact Factor
-
Most Recent
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Nat Commun
PROTAC repurposing uncovers a noncanonical binding surface that mediates chemical degradation of nuclear receptors. [Abstract]2025 Nov 6;16(1):9805. PMID: 41198675
Solvent & Solubility
In Vitro:
DMSO : 50 mg/mL (64.54 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.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
In Vivo:
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 (6.45 mM); Suspended solution; Need ultrasonic
This protocol yields a suspended solution of 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 (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.
In Vivo Dissolution Calculator
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.
Protocols
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Protocol for Cell Counting and Cell Density Analysis
Cell counting and cell-density analysis estimate the number of cells in a known volume or field area. Manual hemocytometer counting uses a chamber of defined geometry to convert counted cells into cells/mL, while automated counters and image-analysis workflows detect cell objects from optical, brightfield, fluorescence, impedance, or digital-image features. Trypan blue viability counting is based on dye exclusion: viable cells with intact membranes exclude dye, while non-viable cells with compromised membranes stain blue. The readout is total cell density, viable-cell density, dead-cell density, and percent viability. Cell density can also be estimated from microscopy images by counting objects per image area, from flow cytometry using calibrated volume or reference particles, or from in situ microscopy in bioreactors after calibration against reference methods such as hemocytometer or flow cytometry.
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Somatic Cell Culture
A method of simulating the in vivo environment in vitro to maintain the cell growth, differentation and main functions.
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CCK-8/WST-8 Cell Proliferation Assay
The CCK-8/WST-8 assay is based on the reduction of the water-soluble tetrazolium salt WST-8 to a water-soluble formazan product by cellular dehydrogenases in metabolically active cells, where the generated formazan amount is proportional to the number of living cells and is quantified by measuring absorbance in the visible range, providing a colorimetric readout for cell viability and proliferation assessment. This class of tetrazolium-based assays improves upon earlier MTT-based systems by producing a water-soluble formazan, eliminating the need for organic solubilization steps and enabling direct spectrophotometric measurement in culture medium.
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Cell Counting-Based Growth Curve Assay
Cell counting-based growth curve assays quantify cell proliferation by directly measuring changes in viable cell number over time using manual or automated counting methods such as hemocytometer-based counting or instrument-assisted cell enumeration, enabling construction of growth curves that reflect population expansion dynamics in response to culture conditions. A widely used approach is trypan blue exclusion with hemocytometer counting, where membrane-compromised (non-viable) cells take up the dye, allowing discrimination between viable and non-viable cells while simultaneously enabling total cell number quantification. Repeated sampling across time points allows estimation of proliferation rate, growth phases, and comparative growth kinetics between experimental conditions.
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MTT Cell Proliferation Assay
The MTT assay is a colorimetric endpoint assay for estimating viable cell number, cell growth, cytotoxicity, or cell activation in cultured mammalian cells. Living cells reduce the yellow tetrazolium salt MTT into purple/blue formazan, while dead cells do not generate the same signal; the resulting color can be quantified with a multiwell spectrophotometer. MTT reduction is commonly interpreted as a readout of metabolic activity that often correlates with viable cell number, but it should not be treated as a direct cell-counting method unless the assay is optimized for the cell type and experimental condition. Studies show that MTT reduction can involve mitochondrial and non-mitochondrial reducing systems, and formazan may accumulate in intracellular lipid droplets rather than simply marking mitochondria.
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Cell Viability Determination by MTT Colorimetric Assay
The following protocol uses the MTT colorimetric assay as a classic literature-established method for assessing cell viability/metabolic activity in cultured mammalian cells. MTT[3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide] is reduced by metabolically active cells to a colored formazan product; the amount of formazan is quantified spectrophotometrically and provides an indirect measure of metabolically active viable cells. Importantly, MTT reduction reflects cellular oxidoreductase/metabolic activity rather than an absolute direct count of living cells, so changes in cellular metabolism can alter the signal independently of cell number.
Purity & Documentation
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Data Sheet (284 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
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 | 1.2908 mL | 6.4540 mL | 12.9081 mL | 32.2701 mL |
| 5 mM | 0.2582 mL | 1.2908 mL | 2.5816 mL | 6.4540 mL | |
| 10 mM | 0.1291 mL | 0.6454 mL | 1.2908 mL | 3.2270 mL | |
| 15 mM | 0.0861 mL | 0.4303 mL | 0.8605 mL | 2.1513 mL | |
| 20 mM | 0.0645 mL | 0.3227 mL | 0.6454 mL | 1.6135 mL | |
| 25 mM | 0.0516 mL | 0.2582 mL | 0.5163 mL | 1.2908 mL | |
| 30 mM | 0.0430 mL | 0.2151 mL | 0.4303 mL | 1.0757 mL | |
| 40 mM | 0.0323 mL | 0.1614 mL | 0.3227 mL | 0.8068 mL | |
| 50 mM | 0.0258 mL | 0.1291 mL | 0.2582 mL | 0.6454 mL | |
| 60 mM | 0.0215 mL | 0.1076 mL | 0.2151 mL | 0.5378 mL |