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Protocatechuic acid

primary reference standard

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Synonym(s):
3,4-Dihydroxybenzoic acid, Protocatechuic acid
Linear Formula:
(HO)2C6H3CO2H
CAS Number:
99-50-3
Molecular Weight:
154.12
Beilstein:
1448841
EC Number:
202-760-0
MDL number:
MFCD00002509
PubChem Substance ID:
329747840
NACRES:
NA.24

grade

primary reference standard

shelf life

limited shelf life, expiry date on the label

manufacturer/tradename

HWI

mp

197-200 °C (dec.) (lit.)

application(s)

food and beverages

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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General description

Produced and qualified by HWI pharma services GmbH.
Exact content by quantitative NMR can be found on the certificate.
Protocatechuic acid belongs to the class of polyphenolic compounds, which can be generally isolated from the dried flower of roselle. It can serve as a potential candidate possessing anticancer property, which can be involved in suppressing the growth of human promyelocytic leukemia HL-60 cells.

Application

Reference Standard in the analysis of herbal medicinal products

Biochem/physiol Actions

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

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315 - H319 - H335

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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T H Tseng et al.
Biochemical pharmacology, 60(3), 307-315 (2000-06-17)
Hibiscus protocatechuic acid (PCA), a phenolic compound isolated from the dried flower of Hibiscus sabdariffa L. (Malvaceae), demonstrated antioxidant and antitumor promotion effects in our previous study. In the present study, Hibiscus PCA was found to inhibit the survival of
In vivo protective effect of protocatechuic acid on tert-butyl hydroperoxide-induced rat hepatotoxicity
Liu C-L, et al.
Food And Chemical Toxicology, 40, 635-641 (2002)
Saravanan Palani et al.
eLife, 10 (2021-07-17)
Actin filaments are central to numerous biological processes in all domains of life. Driven by the interplay with molecular motors, actin binding and actin modulating proteins, the actin cytoskeleton exhibits a variety of geometries. This includes structures with a curved
Paola Vitaglione et al.
The Journal of nutrition, 137(9), 2043-2048 (2007-08-22)
The metabolic fate of dietary anthocyanins (ACN) has not been fully clarified in humans. In all previous studies, the proportion of total ACN absorbed and excreted in urine was <1% intake. This study aimed to elucidate the human metabolism of
Kaarjel K Narayanasamy et al.
Frontiers in synaptic neuroscience, 13, 671288-671288 (2021-07-06)
The development of super-resolution microscopy (SRM) has widened our understanding of biomolecular structure and function in biological materials. Imaging multiple targets within a single area would elucidate their spatial localization relative to the cell matrix and neighboring biomolecules, revealing multi-protein
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