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Isosilybin, a flavonolignan compound derived from the milk thistle plant (Silybum marianum), is known for its liver-protective, antioxidant, and potential anticancer properties. With the CAS number 72581-71-6 and a purity of ≥98% HPLC, Isosilybin has been the focus of extensive research for its therapeutic potential in liver health, including protection against toxins, support in liver regeneration, and as a component in treatments for various liver diseases.

SKU HE4776 Category Tag

Product Details

  • Product Name: Isosilybin
  • CAS Number: 72581-71-6
  • Purity: ≥98% HPLC
  • Molecular Formula: C25H22O10
  • Molecular Weight: 482.44 g/mol
  • Appearance: Off-white to yellow crystalline powder
  • Solubility: Soluble in DMSO, ethanol, and slightly soluble in water
  • Storage: Store at -20°C, protected from light and moisture

Features & Benefits

  • Liver Protection: Offers significant hepatoprotective effects, aiding in liver health and recovery.
  • Antioxidant Activity: Provides robust protection against oxidative stress, supporting overall cellular health.
  • Potential Anticancer Effects: Exhibits anticancer activity through various mechanisms, including the modulation of cell signaling pathways.
  • Natural Origin: Sourced from milk thistle, a plant with a long history of use in traditional herbal medicine for liver support.


  • Pharmaceutical Research: Investigated for its potential in developing treatments for liver diseases, including hepatitis and liver cirrhosis.
  • Nutraceuticals: Utilized in dietary supplements for liver health, offering support in detoxification and liver function.
  • Functional Foods: Incorporated into health-oriented food products for its antioxidant and liver-protective benefits.
  • Herbal Medicine: A key component in traditional herbal formulations aimed at enhancing liver health and protection.

Safety & Compliance

  • Manufactured under strict quality control standards to ensure high purity and safety.
  • Accompanied by a comprehensive Certificate of Analysis (CoA) for quality assurance.
  • Recommended for use by healthcare professionals and researchers familiar with the handling and safety protocols of bioactive compounds.


  • Available in 20mg and 1g quantities to support a wide range of applications from research and development to commercial use.
  • Packaged in air-tight containers to ensure stability and product integrity during storage and handling.









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