Description

(-)-Enterolactone is a naturally occurring mammalian lignan metabolite with significant biological activity. This compound is a key analytical standard and research chemical for studying phytoestrogens, hormone metabolism, and their impact on human health. It is essential for researchers and manufacturers in the pharmaceutical, nutraceutical, and life science industries.

Application

• Pharmaceutical Research: Used as a high-purity reference standard in pharmacokinetic and metabolic studies of dietary lignans.
• Nutraceutical Development: Serves as a key ingredient or marker compound in the formulation and quality control of plant-based supplements targeting hormonal balance.
• Clinical Diagnostics: Employed as a calibration standard in LC-MS/MS and HPLC assays to quantify enterolactone levels in biological fluids for epidemiological and clinical research.
• Biochemical Studies: Utilized in vitro and in vivo to investigate the anti-cancer, antioxidant, and estrogenic/anti-estrogenic properties of lignan metabolites.
• Food & Beverage Analysis: Acts as an analytical standard for measuring lignan content and bioavailability in functional foods, grains, and beverages.

Basic Information

Item	Detail
Product Name	(-)-Enterolactone
CAS No.	77756-20-8
Molecular Formula	C18H18O4
Molecular Weight	298.33 g/mol
Synonyms	(-)-Enterolactone; (3R,4R)-3,4-bis[(3-hydroxyphenyl)methyl]dihydrofuran-2(3H)-one; trans-2,3-Bis(3-hydroxybenzyl)butyrolactone; EnL; HMRlignan; NSC 407303; Lignan ENL
EINECS	Contact for details

Quality Control

Our (-)-Enterolactone is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing including HPLC for purity, identity confirmation by spectroscopic methods (IR, NMR), and residual solvent analysis. A Certificate of Analysis (COA) detailing all specifications is provided to ensure traceability and compliance with research-grade standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
Optical Rotation	Contact for details
Loss on Drying	≤ 0.5%
Residual Solvents (GC)	Complies with ICH guidelines

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