Description

(+)-Isolariciresinol CAS NO 548-29-8 is a naturally occurring lignan compound, a member of the dibenzylbutyrolactone class, known for its distinct stereochemistry. This compound is of significant interest in pharmaceutical and nutraceutical research due to its documented biological activities, including antioxidant and potential estrogenic properties. It serves as a valuable reference standard and key intermediate for researchers and manufacturers in life sciences, phytochemistry, and fine chemical synthesis.

Application

• Pharmaceutical Reference Standard: Used for the qualitative and quantitative analysis of herbal extracts and finished products in quality control laboratories.
• Nutraceutical Research: Investigated as a bioactive ingredient in studies focusing on natural antioxidants and phytoestrogens.
• Academic & Life Science Research: Employed as a pure chemical entity in biochemical, pharmacological, and metabolic pathway studies.
• Phytochemical Isolation Marker: Acts as a target compound for the standardization and authentication of plant-derived materials containing lignans.
• Fine Chemical Synthesis: Serves as a chiral building block or intermediate for the synthesis of more complex molecules in medicinal chemistry.

Basic Information

Product Name	(+)-Isolariciresinol
CAS No.	548-29-8
Molecular Formula	C20H24O6
Molecular Weight	360.40 g/mol
Synonyms	(+)-Isolariciresinol; Isolariciresinol; Lariciresinol; (3R,4R)-3,4-Bis[(4-hydroxy-3-methoxyphenyl)methyl]dihydrofuran-2(3H)-one; (-)-Lariciresinol (enantiomer); FEMA 4290; Lignan F
EINECS	208-954-9

Quality Control

Our (+)-Isolariciresinol is produced and handled under a strict quality management system. Each batch is analyzed to confirm identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) detailing all relevant specifications, including assay by HPLC, chiral purity, and related substance profiles. Our quality commitment ensures the material is suitable for demanding applications in research and development.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). The compound is light-sensitive; prolonged exposure to light should be avoided to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Chiral Purity	≥ 99.0% (by chiral HPLC)
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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