ODQ

Alias: ODQ
Cat No.:V4101 Purity: ≥98%
ODQ is a novel, potent and selective inhibitor of soluble guanylyl cyclase (sGC).
ODQ Chemical Structure CAS No.: 41443-28-1
Product category: Guanylate Cyclase
This product is for research use only, not for human use. We do not sell to patients.
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Purity & Quality Control Documentation

Purity: ≥98%

Product Description

ODQ is a novel, potent and selective inhibitor of soluble guanylyl cyclase (sGC). ODQ and NO have a competitive binding. cGMP is produced by the nitric oxide receptor known as soluble guanylyl cyclase (sGC). Less is known about this second messenger molecule's effects in tumor cells, despite its established roles in cellular physiology. In LNCaP cells, ODQ's activity did not resemble sGC inhibition. Prostate cancer cells are inhibited in their growth and migration, and their ability to die is enhanced by ODQ, all of which occur independently of the compound's impact on GMP levels.

Biological Activity I Assay Protocols (From Reference)
Targets
sGC
ln Vitro
Rat cardiomyoblasts are exposed to H2O2 in vitro for 4 hours, which reduces mitochondrial respiration because it produces hydroxyl radicals. ODQ pretreatment of the cells does not prevent this cell damage. Additionally, superoxide anions are not scavenged by ODQ. [1]
ln Vivo
Rats pretreated with ODQ have reduced lung damage, hepatocellular injury, and renal dysfunction brought on by lipoteichoic acid/peptidoglycan or lipopolysaccharide.[1]
Cell Assay
H2O2 is a helpful instrument for researching how various organs are affected by reactive oxygen species. It can easily permeate through cell membranes and, in the presence of transition metals, undergo the Fenton reaction at intracellular locations to transform into the toxic hydroxyl radical. Preincubation of the cells was conducted for two hours at 37°C using ODQ (0.1 mM to 1 mM), saline, or DMSO (media containing 10% DMSO). Following a 4-hour exposure to media or H2O2 (1 mM) at 37°C, the cells' degree of damage is measured. Every experiment is run twice using n = 4 observations.
Animal Protocol
Anesthetized, male Wistar rats
2 mg/kg
I.p.
References

[1]. Crit Care Med . 2001 Aug;29(8):1599-608.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C9H5N3O2
Molecular Weight
187.15
Exact Mass
187.04
Elemental Analysis
C, 57.76; H, 2.69; N, 22.45; O, 17.10
CAS #
41443-28-1
Related CAS #
41443-28-1
Appearance
Solid powder
SMILES
C1=CC=C2C(=C1)N=CC3=NOC(=O)N23
InChi Key
LZMHWZHOZLVYDL-UHFFFAOYSA-N
InChi Code
InChI=1S/C9H5N3O2/c13-9-12-7-4-2-1-3-6(7)10-5-8(12)11-14-9/h1-5H
Chemical Name
[1,2,4]oxadiazolo[4,3-a]quinoxalin-1-one
Synonyms
ODQ
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO: 37~100 mg/mL (197.7~534.3 mM)
Water: N/A
Ethanol: N/A
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 5 mg/mL (26.72 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 50.0 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 5.3433 mL 26.7165 mL 53.4331 mL
5 mM 1.0687 mL 5.3433 mL 10.6866 mL
10 mM 0.5343 mL 2.6717 mL 5.3433 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

Calculator

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

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An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
  • Enter 350.26 in the Molecular Weight (MW) box
  • Enter 10 in the Concentration box and choose the correct unit (mM)
  • Enter 5 in the Volume box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
  • Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
  • Enter 25 into the Concentration (End) box and select the correct unit (mM)
  • Enter 25 into the Volume (End) box and choose the correct unit (mL)
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
  • Molecular mass (or molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

  • Enter the mass of the reagent and the desired reconstitution concentration as well as the correct units
  • Click the “Calculate” button
  • The answer appears in the Volume (to add to vial) box
In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation:Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

Clinical Trial Information
NCT Number Recruitment interventions Conditions Sponsor/Collaborators Start Date Phases
NCT05535270 Completed Diagnostic Test: Oxford
Depression Questionnaire
(ODQ)
Mood Disorders
Emotional Blunting
First Affiliated Hospital of
Zhejiang University
January 1, 2022 N/A
Biological Data
  • ODQ

    Inhibition of cGMP accumulation by ODQ.


    ODQ

    ODQ-inhibited migration of LNCaP cells.2008 Nov;155(6):804-13.

  • ODQ

    ODQ-enhanced cell death in LNCaP cells.2008 Nov;155(6):804-13.

  • ODQ

    Caspase-3 activity in normal human prostate epithelial cells (HPrECs) was not increased following ODQ treatment.

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