2. Immunology/Inflammation
  3. Toll-like Receptor (TLR)
  4. DSR-6434

DSR-6434 is a potent and selective Toll-like receptor 7 (TLR7) agonist, with EC50s of 7.2 nM and 4.6 nM for human and mice TLR7, respectively. DSR-6434 has a strong antitumor effect.

For research use only. We do not sell to patients.

DSR-6434 Chemical Structure

DSR-6434 Chemical Structure

CAS No. : 1059070-10-8

Size Price Stock Quantity
Solid + Solvent (Highly Recommended)
10 mM * 1 mL in DMSO
ready for reconstitution
 USD 143 In-stock
Solution
10 mM * 1 mL in DMSO USD 143 In-stock
Solid
1 mg USD 61 In-stock
5 mg USD 130 In-stock
10 mg USD 220 In-stock
25 mg USD 440 In-stock
50 mg USD 700 In-stock
100 mg USD 1100 In-stock
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Based on 1 publication(s) in Google Scholar

DSR-6434 Related Antibodies

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  • Biological Activity

  • Purity & Documentation

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Description

DSR-6434 is a potent and selective Toll-like receptor 7 (TLR7) agonist, with EC50s of 7.2 nM and 4.6 nM for human and mice TLR7, respectively. DSR-6434 has a strong antitumor effect[1][2].

IC50 & Target[1]

TLR7

7.2 nM (EC50, Human)

TLR7

4.6 nM (EC50, Mice)

In Vitro

To assess the specificity of DSR-6434 toward TLR7, an NF-κB-driven reporter assay is performed in HEK293 cells engineered to express either hTLR7, TLR8 or TLR9. In this assay, successful binding of DSR-6434 to the specific receptor leads to NF-κB activation. DSR-6434 is capable of stimulating reporter gene activity only in HEK293 cells expressing hTLR7 and not in HEK293 cells expressing the structurally similar hTLR8 or hTLR9[2].

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

DSR-6434 Related Antibodies
In Vivo

DSR-6434 treatment (Compound 20; 0.1-1 mg/kg; intravenous injection; biweekly; for 4 weeks; B6C3F1 mice) suppresses the lung metastasis significantly, 78% inhibition at 0.1 mg/kg dosing (with no tumor metastasis at the 1 mg/kg group)[1].

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

Animal Model: B6C3F1 mice injected with HM-1 ovarian cancer cells[1]
Dosage: 0.1 mg/kg, 1 mg/kg
Administration: Intravenous injection; biweekly; for 4 weeks
Result: Suppressed the lung metastasis significantly, 78% inhibition was seen at 0.1 mg/kg dosing (with no tumor metastasis at the 1 mg/kg group).
Molecular Weight

400.48

Formula

C19H28N8O2
CAS No.
Appearance

Solid

Color

Light yellow to yellow

SMILES

O=C1N(C2=NC(NCCCC)=NC(N)=C2N1)CC3=CN=C(OCCN(C)C)C=C3
Shipping

Room temperature in continental US; may vary elsewhere.
Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 2 years
-20°C 1 year
Solvent & Solubility
In Vitro: 

DMSO : 125 mg/mL (312.13 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.4970 mL 12.4850 mL 24.9700 mL
5 mM 0.4994 mL 2.4970 mL 4.9940 mL
View the 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.

  • Molarity Calculator

  • Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass
=
Concentration
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Volume
×
Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

×
Volume (start)

V1

=
Concentration (final)

C2

×
Volume (final)

V2

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.

  • Protocol 1

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

    Solubility: ≥ 1 mg/mL (2.50 mM); Clear solution

    This protocol yields a clear solution of ≥ 1 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (10.0 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.
  • Protocol 2

    Add each solvent one by one:  10% DMSO    90% Corn Oil

    Solubility: ≥ 1 mg/mL (2.50 mM); Clear solution

    This protocol yields a clear solution of ≥ 1 mg/mL (saturation unknown). If the continuous dosing period exceeds half a month, please choose this protocol carefully.

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (10.0 mg/mL) to 900 μL Corn oil, and mix evenly.

In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
DMSO +
% 
+
%
Tween-80 +
%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
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).
Calculation results:
Working solution concentration: mg/mL
Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).
The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
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

Purity: 99.55%

COA (247 KB) HNMR (282 KB) LCMS (94 KB)

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 2.4970 mL 12.4850 mL 24.9700 mL 62.4251 mL
5 mM 0.4994 mL 2.4970 mL 4.9940 mL 12.4850 mL
10 mM 0.2497 mL 1.2485 mL 2.4970 mL 6.2425 mL
15 mM 0.1665 mL 0.8323 mL 1.6647 mL 4.1617 mL
20 mM 0.1249 mL 0.6243 mL 1.2485 mL 3.1213 mL
25 mM 0.0999 mL 0.4994 mL 0.9988 mL 2.4970 mL
30 mM 0.0832 mL 0.4162 mL 0.8323 mL 2.0808 mL
40 mM 0.0624 mL 0.3121 mL 0.6243 mL 1.5606 mL
50 mM 0.0499 mL 0.2497 mL 0.4994 mL 1.2485 mL
60 mM 0.0416 mL 0.2081 mL 0.4162 mL 1.0404 mL
80 mM 0.0312 mL 0.1561 mL 0.3121 mL 0.7803 mL
100 mM 0.0250 mL 0.1249 mL 0.2497 mL 0.6243 mL
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DSR-6434 Related Classifications

Help & FAQs
  • 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.

Keywords:

DSR-64341059070-10-8DSR6434DSR 6434Toll-like Receptor (TLR)Watersolubilitytumorbearingmicemodelsurvivallong-termimmunologicalmemoryInhibitorinhibitorinhibit

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