03930590

Protocatechuic acid

primary reference standard

• Synonym(s): 3,4-Dihydroxybenzoic acid, Protocatechuic acid
• 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: 85151701
• PubChem Substance ID: 329747840
• NACRES: NA.24

Properties

• 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

Description

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.

Other Notes

This compound is commonly found in plants of the genus: allium carum cinnamomum curcuma ginkgo humulus melissa pimpinella thymus

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H315,H319,H335
• pcodes: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• 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