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Diclofenac sodium

United States Pharmacopeia (USP) Reference Standard

2-[(2,6-Dichlorophenyl)amino]benzeneacetic acid sodium salt, Diclofenac sodium salt
Empirical Formula (Hill Notation):
Número de CAS:
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ID de la sustancia en PubChem:


pharmaceutical primary standard




pharmaceutical (small molecule)



SMILES string




InChI key


Gene Information

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Descripción general

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.
Diclofenac sodium is a sodium salt of diclofenac, a non-steroidal anti-inflammatory drug (NSAID). It prevents the synthesis of prostaglandin involved in pain, inflammation, and fever by inhibiting the cyclooxygenase enzyme activity.


Diclofenac sodium may be used as a reference standard for the determination of the analyte in pharmaceutical formulations by various analytical techniques.

Acciones bioquímicas o fisiológicas

Standard NSAID and cyclooxygenase (COX) inhibitor. Major metabolites are 4´-hydroxydiclofenac and 5´-hydroxydiclofenac. Has been used as substrate selective for CYP2C9.

Nota de análisis

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Otras notas

USP issued SDS can be found here.
Sales restrictions may apply.

Palabra de señalización


Clasificaciones de peligro

Acute Tox. 3 Oral - Aquatic Chronic 2 - Repr. 2 - STOT RE 1

Código de clase de almacenamiento

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects



Punto de inflamabilidad F

Not applicable

Punto de inflamabilidad C

Not applicable

Certificado de Análisis

Certificado de origen

Development and implication of a capillary electrophoresis methodology for ciprofloxacin, paracetamol and diclofenac sodium in pharmaceutical formulations and simultaneously in human urine samples
Solangi AR, et al.
Pakistan Journal of Pharmaceutical Sciences, 24(4), 539-544 (2011)
Simultaneous estimation of paracetamol, chlorzoxazone and diclofenac sodium in pharmaceutical formulation by a novel HPLC method
GOYAL, ANJU and Jain, Sandeep
Acta Pharmaceutica Suecica, 49(2) (2007)
Adaptation of a color reaction for spectrophotometric determination of diclofenac sodium and piroxicam in pure form and in pharmaceutical formulations
El-Didamony, AM and Amin, AS
Analytical Letters, 37(6), 1151-1162 (2004)
R N Brogden et al.
Drugs, 20(1), 24-48 (1980-07-01)
Diclofenac sodium, a phenylacetic acid derivative, is a non-steroidal, anti-inflammatory, analgesic agent advocated for use in rheumatoid arthritis, degenerative joint disease, ankylosing spondylitis and allied conditions, and in the treatment of pain resulting from minor surgery, trauma and dysmenorrhoea. Published
Paul L McCormack et al.
Drugs, 68(1), 123-130 (2007-12-18)
*A new formulation of the nonselective NSAID diclofenac sodium suitable for intravenous bolus injection has been developed using hydroxypropyl beta-cyclodextrin as a solubility enhancer (HPbetaCD diclofenac). * HPbetaCD diclofenac intravenous bolus injection was shown to be bioequivalent to the existing

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