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Homogentisic acid

analytical standard

Synonym(s):

2,5-Dihydroxyphenylacetic acid

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About This Item

Linear Formula:
(HO)2C6H3CH2CO2H
CAS Number:
451-13-8
Molecular Weight:
168.15
Beilstein:
2692860
EC Number:
207-192-7
MDL number:
MFCD00004324
UNSPSC Code:
41116107

grade

analytical standard

Assay

≥98.0% (GC)

shelf life

limited shelf life, expiry date on the label

mp

150-152 °C (lit.)

application(s)

clinical testing

format

neat

storage temp.

2-8°C

SMILES string

OC(=O)Cc1cc(O)ccc1O

InChI

1S/C8H8O4/c9-6-1-2-7(10)5(3-6)4-8(11)12/h1-3,9-10H,4H2,(H,11,12)

InChI key

IGMNYECMUMZDDF-UHFFFAOYSA-N

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General description

Homogentisic acid is a marker of the botanic origin of strawberry tree honey.

Application

Homogentisic acid may be used as an analytical reference standard for the quantification of the analyte in the following:
  • Urine matrices using reversed-phase liquid chromatography tandem mass spectrometry (LC-MS/MS).
  • Strawberry tree honey samples using reversed phase-high performance liquid chromatography (RP-HPLC) and ion chromatography (IC).

It may also be used as an internal standard for the determination of ascorbic acid (AA) and uric acid (UA) in human plasma samples using high-pressure liquid chromatography–electrochemical detection (HPLC–ECD).

Recommended products

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WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Fast HPLC?ECD analysis of ascorbic acid, dehydroascorbic acid and uric acid
Li X, et al.
Journal of Chromatography. B, Biomedical Sciences and Applications, 877(10), 853-856 (2009)
Urine homogentisic acid and tyrosine: simultaneous analysis by liquid chromatography tandem mass spectrometry
Hughes TA, et al.
Journal of Chromatography. B, Biomedical Sciences and Applications, 963, 106-112 (2014)
Direct chromatographic methods for the rapid determination of homogentisic acid in strawberry tree (Arbutus unedo L.) honey
Scanu R, et al.
Journal of Chromatography A, 1090(1-2), 76-80 (2005)

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