DOPAC (Dihydroxyphenylacetic Acid)

DOPAC (Dihydroxyphenylacetic Acid) structural formula

CAS Number102-32-9
Molecular FormulaC8H8O4
Molecular Weight168.148
InChI KeyCFFZDZCDUFSOFZ-UHFFFAOYSA-N
LogP0.98
Synonyms
  • 3,4-Dihydroxyphenylacetic acid
  • (3,4-Dihydroxyphenyl)acetic acid
  • Benzeneacetic acid, 3,4-dihydroxy-
  • 102-32-9
  • Benzeneacetic acid, 3,4-dihydroxy-
  • (3,4-Dihydroxyphenyl)acetic acid
  • 3,4-Dihydroxybenzeneacetic acid
  • 3,4-Dihydroxyphenylessigsaure
  • Acetic acid, (3,4-dihydroxyphenyl)-
  • acide 3,4-dihydroxyphenylacetique
  • acido 3,4-dihidroxifenilacetico
  • Dihydroxyphenylacetic acid
  • Dopacetic acid
  • Homoprotocatechuic acid
  • NSC 73191
  • BRN 2211017
  • EINECS 203-024-1
  • (3,4-Dihydroxyphenyl)acetate
  • (3,4-dihydroxyphenyl)-Acetic acid
  • 2-(3,4-dihydroxyphenyl)acetic acid
  • 2-(3,4-dihydroxyphenyl)ethanoic acid
  • 3,4-DHPOP
  • 3,4-Dihydroxy-Benzeneacetic acid
  • 3,4-Dihydroxy-phenylacetic acid
  • 3,4-Dihydroxybenzeneacetate
  • 3,4-Dihydroxyphenylacetate
  • DHY
  • DOPAC
  • Dihydroxyphenylacetate
  • Dihydroxyphenylacetic acid
  • Dopacetate
  • HAA
  • Homogentisic acid

Applications:

HPLC Separation of DOPAC, Homovanillic Acid and Dopamine on the Primesep 100 Column

July 10, 2012

 

Application Notes: Neurotransmitters DOPAC, homovanillic acid and dopamine were separated by mixed-mode chromatography on Primesep 100 and Primesep 200 HPLC columns. The method can be used for quantification of neurotransmitters with LC/MS compatible conditions. The compounds are retained by combination of reversed-phase, ion-exchange or ion-exclusion mechanisms. The retention time and selectivity of separation can be adjusted by variation of amount of acetonitrile, buffer pH and buffer concentration.

 
Application Columns: Primesep 100

Application compounds: Dopac, Homovanillic Acid, Dopamine

Detection technique: UV, LC/MS, ELSD/CAD

Condition

Column Primesep 100, 4.6×50 mm, 5 µm, 100A
Mobile Phase MeCN/H2O – 5/95%
Buffer AmFm pH 3.0- 30 mM
Flow Rate 1.0 ml/min
Detection UV, 270 nm

 

Description

Class of Compounds
Drug, Acid, Monocarboxylic acid,  Hydrophilic, Ionizable, Hormone
Analyzing Compounds DOPAC, Homovanillic Acid, Dopamine

 

Application Column

Primesep 100

The Primesep family of mixed-mode columns offers a wide variety of stationary phases, boasting unprecedented selectivity in the separation of a broad array of chemical compounds across multiple applications. Corresponding Primesep guard columns, available with all stationary phases, do not require holders. SIELC provides a method development service available to all customers. Inquire about our specially-tailored custom LC-phases for specific separations.

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Primesep 200

The Primesep family of mixed-mode columns offers a wide variety of stationary phases, boasting unprecedented selectivity in the separation of a broad array of chemical compounds across multiple applications. Corresponding Primesep guard columns, available with all stationary phases, do not require holders. SIELC provides a method development service available to all customers. Inquire about our specially-tailored custom LC-phases for specific separations.

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Application Analytes:
DOPAC (Dihydroxyphenylacetic Acid)
Dopamine
Homovanillic Acid

Application Detection:
UV Detection
SIELC Technologies usually develops more than one method for each compound. Therefore, this particular method may not be the best available method from our portfolio for your specific application. Before you decide to implement this method in your research, please send us an email to research@sielc.com so we can ensure you get optimal results for your compound/s of interest.

HPLC Separation of DOPAC, Homovanillic Acid in Dopamine on the Primesep 200 Column

July 10, 2012

 

Application Notes: Neurotransmitters DOPAC, homovanillic acid and dopamine were separated by mixed-mode chromatography on Primesep 100 and Primesep 200 HPLC columns. The method can be used for quantification of neurotransmitters with LC/MS compatible conditions. The compounds are retained by combination of reversed-phase, ion-exchange or ion-exclusion mechanisms. The retention time and selectivity of separation can be adjusted by variation of amount of acetonitrile, buffer pH and buffer concentration.
Application Columns: Primesep 100, Primesep 200
Application compounds: Dopac, Homovanillic Acid, Dopamine
Detection technique: UV, LC/MS, ELSD/CAD

Condition

Column Primesep 200, 4.6×50 mm, 5 µm, 100A
Mobile Phase MeCN/H2O – 5/95%
Buffer AmFm pH 3.0- 30 mM
Flow Rate 1.0 ml/min
Detection UV, 270 nm

 

Description

Class of Compounds
Drug, Acid, Monocarboxylic acid,  Hydrophilic, Ionizable, Hormone
Analyzing Compounds DOPAC, Homovanillic Acid, Dopamine

 

Application Column

Primesep 200

Column Diameter: 4.6 mm
Column Length: 50 mm
Particle Size: 5 µm
Pore Size: 100 A

Add to cart
Application Analytes:
DOPAC (Dihydroxyphenylacetic Acid)
Dopamine
Homovanillic Acid

Application Detection:
UV Detection
SIELC Technologies usually develops more than one method for each compound. Therefore, this particular method may not be the best available method from our portfolio for your specific application. Before you decide to implement this method in your research, please send us an email to research@sielc.com so we can ensure you get optimal results for your compound/s of interest.

HPLC Separation of Homovanillic Acid, Dopamine, and DOPAC using Hydrogen Bonding

June 18, 2012

Condition

Column Sharc 1, 3.2×50 mm, 5 µm, 100A
Mobile Phase Gradient MeCN/MeOH – 100/0 – 30/70%
Buffer Formic Acid – 0.5% AmFm 0.05% 7 min
Flow Rate 1.0 ml/min
Detection UV, 270 nm

 

Description

Class of Compounds
Drug, Acid, Monocarboxylic acid,  Hydrophilic, Ionizable, Hormone
Analyzing Compounds DOPAC, Homovanillic Acid, Dopamine

 

Application Column

SHARC 1

The SHARC™ family of innovative columns represents the first commercially available columns primarily utilizing separation based on hydrogen bonding. SHARC stands for Specific Hydrogen-bond Adsorption Resolution Column. Hydrogen bonding involves an interaction or attraction between a bound hydrogen atom and molecules containing electronegative atoms, such as oxygen, nitrogen, and fluorine.

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Application Analytes:
DOPAC (Dihydroxyphenylacetic Acid)
Dopamine
Homovanillic Acid

Application Detection:
UV Detection
SIELC Technologies usually develops more than one method for each compound. Therefore, this particular method may not be the best available method from our portfolio for your specific application. Before you decide to implement this method in your research, please send us an email to research@sielc.com so we can ensure you get optimal results for your compound/s of interest.

Separation of Serotonin, Dopamine, and Related Compounds

August 22, 2008

Catecholamines are chemical compounds derived from the amino acid tyrosine containing catechol and amine groups. Some of them are biogenic amines. Retention of compounds of the catecholamine pathway is achieved on Obelisc N column. All polar compounds are well retained by combination of HILIC and ion-exchange mechanisms. Obelisc N columns produce very good peak shapes for all analytes. The method is very sensitive to amount of ACN, buffer and buffer pH. The retention time changes with variation of the main parameters. This method can be used for quantitation of biogenic amines and related compounds (homovanillic acid, dihydroxyphenyl acetic acid, serotonin, dopamine, epinephrine, hydroxytryptophan, epinephrine and DOPA) in urine, blood and other biological fluids. Further optimization of this HPLC method can be used during screening and validation. Amines and acids can be analyzed in the same run and retained by a combination of polar organic mode, cation-exchange and anion-exchange modes. Various buffers within specified pH can be employed (ammonium formate, ammonium acetate, sodium phosphate, etc.).

Condition

Column Obelisc N, 4.6×150 mm, 5 µm, 100A
Mobile Phase MeCN/H2O
Buffer AmAc pH 4.0- 30 mM
Flow Rate 1.0 ml/min
Detection UV, 270 nm

 

Description

Class of Compounds
Drug, Acid, Monocarboxylic acid,  Hydrophilic, Ionizable, Hormone
Analyzing Compounds Homovanillic acid, Dihydroxyphenyl acetic acid, Serotonin, Dopamine, Epinephrine, Hydroxytryptophan, DOPA

 

Application Column

Obelisc N

SIELC has developed the Obelisc™ columns, which are mixed-mode and utilize Liquid Separation Cell technology (LiSC™). These cost-effective columns are the first of their kind to be commercially available and can replace multiple HPLC columns, including reversed-phase (RP), AQ-type reversed-phase, polar-embedded group RP columns, normal-phase, cation-exchange, anion-exchange, ion-exclusion, and HILIC (Hydrophilic Interaction Liquid Chromatography) columns. By controlling just three orthogonal method parameters - buffer concentration, buffer pH, and organic modifier concentration - users can adjust the column properties with pinpoint precision to separate complex mixtures.

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Application Analytes:
DOPA (3,4-dihydroxy-L-phenylalanine)
DOPAC (Dihydroxyphenylacetic Acid)
Dopamine
Epinephrine
Homovanillic Acid
Hydroxytryptophan
Norepinephrine
Serotonin

Application Detection:
UV Detection
SIELC Technologies usually develops more than one method for each compound. Therefore, this particular method may not be the best available method from our portfolio for your specific application. Before you decide to implement this method in your research, please send us an email to research@sielc.com so we can ensure you get optimal results for your compound/s of interest.