For research use only.

Catalog No.S5504

1 publication

Ropivacaine Chemical Structure

Molecular Weight(MW): 274.40

Ropivacaine is a member of the amino amide class of local anesthetics.

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Selleck's Ropivacaine has been cited by 1 publication

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Biological Activity

Description Ropivacaine is a member of the amino amide class of local anesthetics.



Solubility (25°C)

In vitro Water 23 mg/mL (83.81 mM)
DMSO 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 274.40


CAS No. 84057-95-4
Storage powder
in solvent
Synonyms N/A

In vivo Formulation Calculator (Clear solution)

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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 )

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* 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

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  • Computed Result

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    C4=C3/X C4: LOG(C4):
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Molecular Weight Calculator

Molecular Weight Calculator

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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
NCT04327063 Not yet recruiting Drug: Saline|Drug: Ropivacaine Malignant Neoplasm of Breast Institut Curie June 15 2020 Phase 3
NCT04257682 Not yet recruiting Drug: Bupivacaine|Drug: Ropivacaine|Drug: Mepivacaine Knee Osteoarthritis|Hip Osteoarthritis Ottawa Hospital Research Institute May 2020 Phase 4
NCT04298099 Not yet recruiting Drug: Ropivacaine Anesthesia Local Baylor College of Medicine April 1 2020 Phase 4
NCT04081922 Not yet recruiting Procedure: Erector spinae plane block Pectus Excavatum Seoul National University Hospital November 30 2019 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

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