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Protocatechuic acid ethyl ester


Ethyl 3,4-dihydroxybenzoate
Linear Formula:
CAS Number:
Molecular Weight:
EC Number:
MDL number:
PubChem Substance ID:

Quality Level




132-134 °C (lit.)

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InChI key


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Hazard Statements

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids



Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Certificate of Origin

Regina G Daré et al.
International journal of pharmaceutics, 582, 119336-119336 (2020-04-19)
Excessive exposure to solar radiation induces injurious effects on human skin. Our previous study evidenced that protocatechuic acid (P0) and ethyl protocatechuate (P2) act against photodamage and photoaging. The present study aimed to develop solid lipid nanoparticles (SLNs) and nanostructured
S Saika et al.
Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie, 232(8), 499-502 (1994-08-01)
The spreading of epithelium is critical in the healing of corneal wounds. Such epithelial spreading requires the continuous production of protein and glycoprotein. To determine whether collagen production is required for the spreading of corneal epithelium, we studied the effects
Shiow Chyn Huang et al.
Journal of agricultural and food chemistry, 51(8), 2380-2383 (2003-04-03)
The antioxidant activity and identification of the antioxidant component of peanut seed testa were investigated. The antioxidant activity of peanut seed testa was studied in the linoleic acid model system by using the ferric thiocyanate method. Among the five organic
Percy W Y Chu et al.
European journal of pharmacology, 633(1-3), 24-32 (2010-02-16)
Tolerance to brain injury involves hypoxia-inducible factor-1 (HIF-1) and its target genes as the key pathway mediating a cascade of events including cell survival, energetics, and angiogenesis. In this study, we established the treatment paradigms for an in vitro model
S A Fisher et al.
Journal of molecular and cellular cardiology, 26(6), 721-731 (1994-06-01)
The extra-cellular matrix has been demonstrated to play an important role in the differentiation of a number of cell types in vitro. The purpose of this study was to establish the role of ECM collagen synthesis in regulating growth and

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