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167177

Sigma-Aldrich

5-Hydroxy-2(3H)-benzofuranone

97%

Synonym(s):

2,5-Dihydroxyphenylacetic acid lactone, Homogentisic lactone

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About This Item

Empirical Formula (Hill Notation):
C8H6O3
CAS Number:
2688-48-4
Molecular Weight:
150.13
Beilstein/REAXYS Number:
128621
EC Number:
220-252-7
MDL number:
MFCD00005857
UNSPSC Code:
12352100
PubChem Substance ID:
24850197
NACRES:
NA.22

assay

97%

form

powder

mp

192-194 °C (lit.)

SMILES string

Oc1ccc2OC(=O)Cc2c1

InChI

1S/C8H6O3/c9-6-1-2-7-5(3-6)4-8(10)11-7/h1-3,9H,4H2

InChI key

POUITAHNNRJWMA-UHFFFAOYSA-N

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General description

5-Hydroxy-2(3H)-benzofuranone participates in lewis acid mediated synthesis of 2(3H)-benzofuranones.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Lewis acid promoted synthesis of 2 (3H)-benzofuranones.
Babu BR, et al.
Indian J. Chem. B, 45(11), 2546-2546 (2006)
Hagai Tavori et al.
Bioorganic & medicinal chemistry, 16(15), 7504-7509 (2008-06-24)
Paraoxonase1 (PON1) is a HDL bound enzyme and many of the anti-atherogenic properties of HDL are attributed to PON1. The enzyme precise mechanism of protective action and its endogenous substrate remain elusive. PON1 hydrolyzes organophosphates, arylesters and lactones, whereas the

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