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Protocatechuic Acid

【CAS. NO]: 99-50-3

【Alternative Name】: 3,4-Dihydroxybenzoic acid

【Purity】: 99%

【Appearance】: White to off-White Odorless Crystalline Powder

【Sample】: Available

【MOQ】: No Limited

【Labels】: Standard/Customized

【Packing】: <10kg/Aluminum foil bag & Carton; ≥10kg/Drum (Customizable)

【Shipping Time】: Within 1 Business Day After Receiving Payment

【Brand Name】: Vertexyn Natural Chemicals

Product Specifications
  • Product Name

    Protocatechuic Acid
  • Alternative Name

    3,4-Dihydroxybenzoic Acid
  • CAS No.

    99-50-3
  • MF

    C7H6O4
  • EINECS No.

    202-760-0
  • Purity

    99%
  • Grade

    Pharmaceutical Grade
  • Specification

    1kg/10kg/25kg(Customizable)
  • Test Method

    HPLC
  • Certifications

    ISO9001, HALAL, Kosher, COSMOS
  • Storage

    Cool Dry Place
  • Shelf Life

    2 Years

More Details

Product Overview

Protocatechuic Acid (PCA) is a naturally occurring organic acid found in various plants, possessing notable biological activities such as antibacterial, anti-inflammatory, antioxidant, and antitumor properties. It has widespread applications in medicine, animal feed, and new materials.


We produce products through bio-synthetic technology, naturalness >96%. Our products are now exported to many countries, including Europe, the United States, Germany, Russia, South Korea, and India.


Product Advantages:

Protocatechic acid is a competitive product of our company, and free samples can be applied.

We have a supply capacity of hundreds of tons, it is available in stock for quick shipment.

No MOQ limited, with free packaging and labeling customization to meet personalized needs.

Natural, healthy, can be safely used in medicine, dyes, feed and other fields.

Our products have obtained multiple certifications such as ISO9001, HALAL, Kosher (OU), USDA BioPreferred® Program, and COSMOS  and our quality is fully guaranteed. 

Functions and Applications
  • Pharmaceutical Intermediate

    Protocatechuic acid is an important precursor in the synthesis of anticancer drugs, such as erlotinib. Additionally, its antibacterial, expectorant, antiasthmatic, and detoxifying properties make it crucial in the treatment of infectious diseases, respiratory conditions, and poisoning incidents, making it an indispensable component in the pharmaceutical field.

  • Animal Feed Additives

    As a feed additive, protocatechuic acid can enhance animal growth efficiency, boost immunity, improve meat quality and flavor, and increase feed utilization rates, significantly reducing farming costs and creating substantial economic benefits for the livestock industry.

  • Chemical Raw Materials

    In the field of new materials, protocatechuic acid has demonstrated novel applications as an environmentally friendly alternative to bisphenol A, enabling the development of high-performance epoxy resins. It is also a key precursor in the synthesis of vanillin, contributing to the advancement of the food and flavor industries.

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