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P5630

Sigma-Aldrich

3,4-Dihydroxybenzoic acid

Synonym(s):

Protocatechuic acid

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About This Item

Linear Formula:
(HO)2C6H3CO2H
CAS Number:
99-50-3
Molecular Weight:
154.12
Beilstein/REAXYS Number:
1448841
EC Number:
202-760-0
MDL number:
MFCD00002509
UNSPSC Code:
12352100

mp

197-200 °C (dec.) (lit.)

SMILES string

OC(=O)c1ccc(O)c(O)c1

InChI

1S/C7H6O4/c8-5-2-1-4(7(10)11)3-6(5)9/h1-3,8-9H,(H,10,11)

InChI key

YQUVCSBJEUQKSH-UHFFFAOYSA-N

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Biochem/physiol Actions

Chemopreventive in several animal models of carcinogenesis. Blocks cell proliferation in the post-initiation phase.

Other Notes

This product has been replaced by 37580-ALDRICH | 3,4-Dihydroxybenzoic acid ≥97.0% (T)

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 1

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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Frédéric Martin et al.
Journal of natural products, 72(5), 852-856 (2009-04-14)
Extracts from several plants of the family Bignoniaceae from Panama were submitted to a rapid DPPH TLC test for the detection of radical-scavenging activity. The MeOH extract of the stems of Jacaranda caucana, a tree that grows from Costa Rica
R Masella et al.
Current medicinal chemistry, 19(18), 2901-2917 (2012-04-24)
Epidemiological evidence has shown that a high dietary intake of vegetables and fruit rich in polyphenols is associated with a reduction of cancer incidence and mortality from coronary heart disease. The healthy effects associated with polyphenol consumption have made the
Lei Wang et al.
Environment international, 59, 27-32 (2013-06-12)
Human exposure to p-hydroxybenzoic acid esters (parabens) is a concern, owing to adverse health effects of these compounds. Parabens are metabolized and eliminated from the human bodies within a few hours of exposure. In this study, for the first time
J Kristinsson et al.
Pharmacology & toxicology, 74(3), 174-180 (1994-03-01)
The urinary metabolites of orally administered mebeverine hydrochloride (270 mg) were studied in five healthy volunteers with the aid of gas chromatography/mass spectrometry. Mebeverine, which is an ester of veratric acid and 4-(ethyl-[2-(4-methoxyphenyl)-1-methylethyl]amino)butan-1-ol, was completely hydrolysed to the corresponding acid
Qing-Han Gao et al.
Journal of agricultural and food chemistry, 60(38), 9642-9648 (2012-09-11)
This study investigated the changes in sugars, organic acids, α-tocopherol, β-carotene, phenolic profiles, total phenolic content (TPC), and antioxidant capacity of jujube fruits after four drying treatments (sun-, oven-, microwave- and freeze-drying). Sugar, organic acid, phenolic compounds, α-tocopherol, and β-carotene
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