Gentisic acid

Catalog No.S3799 Synonyms: DHB, 2,5-dihydroxybenzoic acid, 5-Hydroxysalicylic acid, Gentianic acid, Carboxyhydroquinone, Hydroquinonecarboxylic acid

For research use only.

Gentisic acid (2,5-dihydroxybenzoic acid, 5-Hydroxysalicylic acid, Hydroquinonecarboxylic acid, DHB), an active metabolite of salicylic acid degradation, has a broad spectrum of biological activity, such as anti-inflammatory, antirheumatic and antioxidant properties.

Gentisic acid Chemical Structure

CAS No. 490-79-9

Purity & Quality Control

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Biological Activity

Description Gentisic acid (2,5-dihydroxybenzoic acid, 5-Hydroxysalicylic acid, Hydroquinonecarboxylic acid, DHB), an active metabolite of salicylic acid degradation, has a broad spectrum of biological activity, such as anti-inflammatory, antirheumatic and antioxidant properties.
In vitro

Gentisic acid (GA) has been shown to act as an antioxidant under different types of physical and chemical stimulus. Gentisic acid efficiently protects lipids, proteins, SOD enzyme and human erythrocytes on gamma radiation exposure. It has been found to scavenge physiologically relevant hydroxyl and peroxyl radicals in pulse radiolysis studies[3].

In vivo

Gentisic acid (GA) shows a potent protective effect against CP induced hepatotoxicity and genotoxicity. The protective effect of Gentisic acid can be attributed to its antioxidant properties, which enhance natural antioxidant enzymes and the cell membrane stabilizing property by inhibiting lipid peroxidation[2].

Protocol (from reference)

Cell Research:

[1]

  • Cell lines: HTC cells
  • Concentrations: 0.08, 0.16, 0.8, 1.6, and 8 μg/mL
  • Incubation Time: 24 h
  • Method:

    The Trypan Blue exclusion protocol is assessed in 24-well cell culture plates. In each well, 2.5×cells are seeded in 2 mL of complete culture medium with the following treatments: control (CO, 50 μL of culture medium, as negative control), cytotoxic agent doxorubicin (DXR, 10 μg/mL, as positive control), and Gentisic acid (0.08, 0.16, 0.8, 1.6, and 8 μg/mL). The cells are incubated for 24 h, trypsinized and then resuspended in 0.5 mL of culture medium. An aliquot of the cellular suspension (20 μL) is homogenized with Trypan Blue (0.2%) dye in a 1:1 ratio. The cells are quantified with a Neubauer chamber hemocytometer.

  • (Only for Reference)
Animal Research:

[2]

  • Animal Models: male Swiss albino mice
  • Dosages: 50 and 100 mg/kg
  • Administration: oral administration
  • (Only for Reference)

Solubility (25°C)

In vitro

DMSO 30 mg/mL
(194.65 mM)


* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.

Chemical Information

Molecular Weight 154.12
Formula

C7H6O4

CAS No. 490-79-9
Storage 3 years -20°C powder
2 years -80°C in solvent
Smiles C1=CC(=C(C=C1O)C(=O)O)O

In vivo Formulation Calculator (Clear solution)

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Working concentration: mg/ml;

Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid 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 master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

Note: 1. Please make sure the liquid is clear before adding the next solvent.
2. Be sure to add the solvent(s) in order. You must ensure that the solution obtained, in the previous addition, is a clear solution before proceeding to add the next solvent. Physical methods such
as vortex, ultrasound or hot water bath can be used to aid dissolving.

Molarity Calculator

Mass Concentration Volume Molecular Weight

Clinical Trial Information

NCT Number Recruitment Interventions Conditions Sponsor/Collaborators Start Date Phases
NCT01015820 Completed Procedure: EGD with EUS|Device: 4D-ELF Pancreatic Cancer Mayo Clinic|Northwestern University|National Cancer Institute (NCI)|National Institute for Biomedical Imaging and Bioengineering (NIBIB) June 2010 Not Applicable

(data from https://clinicaltrials.gov, updated on 2022-01-17)

Tech Support

Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

Handling Instructions

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