For research use only.

Catalog No.S4692 Synonyms: DMSA, meso-2,3-dimercaptosuccinic acid

Succimer Chemical Structure

Molecular Weight(MW): 182.22

Succimer (DMSA) is an orally active metal chelator is used to treat heavy metal poisoning.

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Purity & Quality Control

Biological Activity

Description Succimer (DMSA) is an orally active metal chelator is used to treat heavy metal poisoning.



Solubility (25°C)

In vitro DMSO 36 mg/mL (197.56 mM)
Ethanol 3 mg/mL (16.46 mM)
Water Insoluble

* 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 182.22


CAS No. 304-55-2
Storage powder
in solvent
Synonyms DMSA, meso-2,3-dimercaptosuccinic acid
Smiles OC(=O)C(S)C(S)C(O)=O

In vivo Formulation Calculator (Clear solution)

Step 1: Enter information below (Recommended: An additional animal making an allowance for loss during the experiment)
Dosage mg/kg Average weight of animals g Dosing volume per animal ul Number of animals
Step 2: Enter the in vivo formulation (Different batches have different solubility ratios, please contact Selleck to provide you with the correct ratio)
% DMSO % % Tween 80 % ddH2O

Bio Calculators

Molarity Calculator

Molarity Calculator

Calculate the mass, volume or concentration required for a solution. The Selleck molarity calculator is based on the following equation:

Mass (mg) = Concentration (mM) × Volume (mL) × Molecular Weight (g/mol)

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*When preparing stock solutions, please always use the batch-specific molecular weight of the product found on the via label and MSDS / COA (available on product pages).

Dilution Calculator

Dilution Calculator

Calculate the dilution required to prepare a stock solution. The Selleck dilution calculator is based on the following equation:

Concentration (start) x Volume (start) = Concentration (final) x Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2 ( Input Output )

  • C1

* When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and MSDS / COA (available online).

The Serial Dilution Calculator Equation

  • Serial Dilutions

  • Computed Result

  • C1=C0/X C1: LOG(C1):
    C2=C1/X C2: LOG(C2):
    C3=C2/X C3: LOG(C3):
    C4=C3/X C4: LOG(C4):
    C5=C4/X C5: LOG(C5):
    C6=C5/X C6: LOG(C6):
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    C8=C7/X C8: LOG(C8):
Molecular Weight Calculator

Molecular Weight Calculator

Enter the chemical formula of a compound to calculate its molar mass and elemental composition:

Total Molecular Weight: g/mol

Tip: Chemical formula is case sensitive. C10H16N2O2 c10h16n2o2

Instructions to calculate molar mass (molecular weight) of a chemical compound:

To calculate molar mass of a chemical compound, please enter its chemical formula and click 'Calculate'.

Definitions of molecular mass, molecular weight, molar mass and molar weight:

Molecular mass (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.

Molarity Calculator

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Clinical Trial Information

NCT Number Recruitment interventions Conditions Sponsor/Collaborators Start Date Phases
NCT04091685 Not yet recruiting Device: Gamma camera imaging Dimercaptosuccinic Acid SPECT and Planar Assiut University September 2019 --
NCT03653702 Not yet recruiting Drug: Lumason Vesico-Ureteral Reflux Boston Children’s Hospital June 24 2019 Phase 1
NCT03959163 Suspended Diagnostic Test: Quick MRI Pyelonephritis|Pyelonephritis Acute|Renal Sclerosis University of Wisconsin Madison May 7 2019 Not Applicable
NCT03879005 Not yet recruiting Other: renal scintigraphy The Difference in Estimation of Split Renal Function Using the Two Radiopharmaceuticals:Tc-99m DTPA & Tc-99m DMSA in Kidney Patients Assiut University April 2019 Not Applicable
NCT03936673 Completed Procedure: Percutaneous nephrostomy Obstructive Uropathy TC Erciyes University July 1 2014 Not Applicable

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

Tel: +1-832-582-8158 Ext:3

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