Description

(-)Gomisin L1 CAS NO 82425-43-2 is a high-purity, bioactive lignan compound isolated from the *Schisandra* species, valued for its specific stereochemistry and pharmacological research potential. This compound is critical for researchers and developers in the pharmaceutical and nutraceutical sectors seeking standardized, high-quality reference materials for drug discovery and bioactivity studies. It serves as a key intermediate and analytical standard for investigating hepatoprotective, anti-inflammatory, and neuroprotective mechanisms.

Application

• Pharmaceutical Reference Standard: Used as a certified reference material (CRM) for quality control and method validation in drug development and herbal medicine analysis.
• Bioactivity & Mechanism Research: A vital tool for in-vitro and in-vivo studies targeting liver protection, anti-cancer activity, and central nervous system effects.
• Natural Product Isolation & Synthesis: Serves as a benchmark for the extraction, purification, and semi-synthetic modification of complex lignans.
• Nutraceutical Formulation: Employed in the research and development of standardized herbal extracts and dietary supplements.
• Academic Research: Essential for university and institutional research in phytochemistry, pharmacology, and natural product chemistry.
• Analytical Method Development: Used to develop and calibrate HPLC, LC-MS, and other chromatographic assays for complex botanical matrices.

Basic Information

Product Name	(-)-Gomisin L1
CAS No.	82425-43-2
Molecular Formula	C28H34O9
Molecular Weight	514.57 g/mol
Synonyms	Gomisin L1; (-)-Gomisin L1; Gomisin-L1; Schisantherin I; Schisandra Lignan L1; Wuweizisu C; (7S,8R)-4,9-Dihydroxy-3,3',5-trimethoxy-8,4'-oxyneolign-7'-en-7,9'-olide
EINECS	Contact for details

Quality Control

Our (-)-Gomisin L1 is produced under strict quality management systems to ensure batch-to-batch consistency and high purity for research applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to relevant guidelines for reference standards, and custom purity grades or specific impurity limits can be accommodated to meet your project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store at 2-8°C in a dry environment. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Assay (HPLC)	≥95.0% (Area %)
Specific Rotation	Contact for details
Loss on Drying	≤2.0%
Residue on Ignition	≤0.5%
Heavy Metals	≤20 ppm

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