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QM385 is a potent sepiapterin reductase (SPR) inhibitor with an IC50 of 1.49 nM, which blocks T-cell proliferation and autoimmunity at nanomolar potency and with good oral bioavailability.

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

QM385 Chemical Structure

QM385 Chemical Structure

CAS No. : 2093421-02-2

Size Price Stock Quantity
Solid + Solvent (Highly Recommended)
10 mM * 1 mL in DMSO
ready for reconstitution
 USD 435 In-stock
Solution
10 mM * 1 mL in DMSO USD 435 In-stock
Solid
5 mg USD 395 In-stock
10 mg USD 650 In-stock
50 mg USD 1950 In-stock
100 mg USD 2950 In-stock
200 mg   Get quote  
500 mg   Get quote  

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This product is a controlled substance and not for sale in your territory.

Customer Review

Based on 2 publication(s) in Google Scholar

QM385 Related Antibodies

Top Publications Citing Use of Products

  • Biological Activity

  • Purity & Documentation

  • References

  • Customer Review

Description

QM385 is a potent sepiapterin reductase (SPR) inhibitor with an IC50 of 1.49 nM, which blocks T-cell proliferation and autoimmunity at nanomolar potency and with good oral bioavailability[1].

IC50 & Target

IC50: 1.49 nM (Sepiapterin reductase)[1]
In Vitro

QM385 effectively inhibits the proliferation of human CD4+ T cells at low doses[1].

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

QM385 Related Antibodies
Molecular Weight

409.37

Formula

C17H18F3N7O2
CAS No.
Appearance

Solid

Color

Light yellow to yellow

SMILES

O=C1NC(N2N=CC(C(N3CCN(CC(F)(F)F)CC3)=O)=C2C)=NN4C1=CC=C4
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 (305.35 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 2.4428 mL 12.2139 mL 24.4278 mL
5 mM 0.4886 mL 2.4428 mL 4.8856 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    90% Corn Oil

    Solubility: ≥ 2.08 mg/mL (5.08 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.08 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 (20.8 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
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 2.4428 mL 12.2139 mL 24.4278 mL 61.0694 mL
5 mM 0.4886 mL 2.4428 mL 4.8856 mL 12.2139 mL
10 mM 0.2443 mL 1.2214 mL 2.4428 mL 6.1069 mL
15 mM 0.1629 mL 0.8143 mL 1.6285 mL 4.0713 mL
20 mM 0.1221 mL 0.6107 mL 1.2214 mL 3.0535 mL
25 mM 0.0977 mL 0.4886 mL 0.9771 mL 2.4428 mL
30 mM 0.0814 mL 0.4071 mL 0.8143 mL 2.0356 mL
40 mM 0.0611 mL 0.3053 mL 0.6107 mL 1.5267 mL
50 mM 0.0489 mL 0.2443 mL 0.4886 mL 1.2214 mL
60 mM 0.0407 mL 0.2036 mL 0.4071 mL 1.0178 mL
80 mM 0.0305 mL 0.1527 mL 0.3053 mL 0.7634 mL
100 mM 0.0244 mL 0.1221 mL 0.2443 mL 0.6107 mL
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QM385 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:

QM3852093421-02-2QM 385QM-385OthersInhibitorinhibitorinhibit

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