Description

Silybin is a major bioactive flavonolignan and the primary constituent of silymarin, a standardized extract from milk thistle seeds. This compound is highly valued for its potent hepatoprotective and antioxidant properties, making it a critical ingredient in advanced nutraceutical and pharmaceutical formulations. Key industries that rely on high-purity Silybin include dietary supplement manufacturers, pharmaceutical companies developing liver support therapies, and research institutions focused on oxidative stress and metabolic health.

Application

• Pharmaceutical Intermediates: Serves as the active pharmaceutical ingredient (API) in prescription and over-the-counter medications for liver conditions.
• Dietary Supplements & Nutraceuticals: A core component of liver support, detoxification, and general wellness supplements in capsule, tablet, and liquid formats.
• Cosmeceutical Formulations: Incorporated into anti-aging and protective skincare products for its antioxidant and anti-inflammatory benefits.
• Clinical & Biomedical Research: Used as a reference standard and investigational compound in studies on hepatology, oncology, and metabolic syndromes.
• Functional Food & Beverage Fortification: Added to health-focused food and drink products to enhance their nutritional profile.
• Veterinary Pharmaceuticals: Utilized in animal health products for liver support and detoxification in livestock and companion animals.

Basic Information

Product Name	Silybin
CAS No.	802918-57-6
Molecular Formula	C25H22O10
Molecular Weight	482.44 g/mol
Synonyms	Silibinin; Silymarin Component; Silybin A; Silybin B; 2,3-Dihydrosilybin; 3,5,7-Trihydroxy-2-[3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-2,3-dihydro-1,4-benzodioxin-6-yl]-4-chromanone; Milk Thistle Extract Standard; Flavonolignan Complex
EINECS	Contact for details

Quality Control

Our Silybin is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for pharmaceutical and nutraceutical applications. Certificates of Analysis (COA) detailing purity, heavy metals, residual solvents, and microbiological parameters are available upon request to support your regulatory and quality assurance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be kept under conditions that minimize exposure to humidity to prevent degradation and clumping.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (HPLC/IR)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Residual Solvents (GC)	Meets ICH Q3C guidelines
Total Aerobic Microbial Count	≤ 1000 CFU/g
Total Yeast & Mold Count	≤ 100 CFU/g

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.