2. Metabolic Enzyme/Protease
  3. Indoleamine 2,3-Dioxygenase (IDO)
  4. IDO5L

IDO5L is a potent indoleamine 2,3-dioxygenase (IDO) inhibitor with an IC50 of 67 nM.

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

IDO5L Chemical Structure

IDO5L Chemical Structure

CAS No. : 914471-09-3

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10 mM * 1 mL in DMSO
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Customer Review

Based on 3 publication(s) in Google Scholar

IDO5L Related Antibodies

Top Publications Citing Use of Products

View All Indoleamine 2,3-Dioxygenase (IDO) Isoform Specific Products:

View All Isoforms
IDO1 IDO2 IDO

  • Biological Activity

  • Protocol

  • Purity & Documentation

  • References

  • Customer Review

Description

IDO5L is a potent indoleamine 2,3-dioxygenase (IDO) inhibitor with an IC50 of 67 nM.

IC50 & Target[1]

IDO

67 nM (IC50)

IDO

19 nM (IC50, in HeLa cell)

In Vitro

IDO5L (Compound 5l) is a potent (HeLa IC50=19 nM) inhibitor of IDO[1]. IDO5L is one of the highest potent inhibitors of the IDO1 (IC50=19 nM, in HeLa cell assay)[2].

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

IDO5L Related Antibodies
In Vivo

Testing of IDO5L in mice demonstrates pharmacodynamic inhibition of IDO, as measured by decreased kynurenine levels (>50%) in plasma and dose dependent efficacy in mice bearing GM-CSF-secreting B16 melanoma tumors. Initial oral pharmacokinetic studies show that IDO5L is rapidly cleared (t1/2<0.5 h) and that oral administration will not be a suitable dosing method for in vivo studies. The measured plasma exposure (2.5 μM) of IDO5L during this period exceeded our calculated mouse protein binding adjusted B16 cellular IC50 (PBadjIC50=1.0 μM, murine cellular B16 IC50=46 nM). Notably, kynurenine levels increase back to baseline after 4 h as IDO5L exposure levels decreased below the mouse PBadjIC50 from 1.0 to 0.1 μM[1].

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

271.64

Formula

C9H7ClFN5O2
CAS No.
Appearance

Solid

Color

Off-white to yellow

SMILES

ON/C(C1=NON=C1N)=N/C2=CC=C(F)C(Cl)=C2
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 : ≥ 52 mg/mL (191.43 mM; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

*"≥" means soluble, but saturation unknown.

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 3.6813 mL 18.4067 mL 36.8134 mL
5 mM 0.7363 mL 3.6813 mL 7.3627 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
×
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: ≥ 2.5 mg/mL (9.20 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.
  • Protocol 2

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

    Solubility: ≥ 2.5 mg/mL (9.20 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.
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: 99.89%

COA (250 KB) RP-HPLC (174 KB)

Handling Instructions (2659 KB)
References
Animal Administration
[1]

Mice[1]
A single subcutaneous 100 mg/kg dose of IDO5L is administered to naive C57BL/6 mice bearing GM-CSF-secreting B16 tumors. Blood is harvested from individual mice over 8 h. Kynurenine and IDO5L concentrations are measured by LCMS. Reductions of kynurenine levels by 50-60% are observed between 2 and 4 h, with maximum inhibition seen at 2.5 h. Tumors are allowed to grow until day 7 when 14 days of subcutaneous dosing of IDO5L at 25, 50, and 75 mg/kg b.i.d. is initiated. Dose dependent inhibition of tumor growth is correlated with increasing exposures of IDO5L in plasma.

MCE has not independently confirmed the accuracy of these methods. They are for reference only.
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 3.6813 mL 18.4067 mL 36.8134 mL 92.0336 mL
5 mM 0.7363 mL 3.6813 mL 7.3627 mL 18.4067 mL
10 mM 0.3681 mL 1.8407 mL 3.6813 mL 9.2034 mL
15 mM 0.2454 mL 1.2271 mL 2.4542 mL 6.1356 mL
20 mM 0.1841 mL 0.9203 mL 1.8407 mL 4.6017 mL
25 mM 0.1473 mL 0.7363 mL 1.4725 mL 3.6813 mL
30 mM 0.1227 mL 0.6136 mL 1.2271 mL 3.0678 mL
40 mM 0.0920 mL 0.4602 mL 0.9203 mL 2.3008 mL
50 mM 0.0736 mL 0.3681 mL 0.7363 mL 1.8407 mL
60 mM 0.0614 mL 0.3068 mL 0.6136 mL 1.5339 mL
80 mM 0.0460 mL 0.2301 mL 0.4602 mL 1.1504 mL
100 mM 0.0368 mL 0.1841 mL 0.3681 mL 0.9203 mL
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IDO5L 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:

IDO5L914471-09-3Indoleamine 2,3-Dioxygenase (IDO)Inhibitorinhibitorinhibit

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