Description

R-2,3-Dihydro-5,7-Dihydroxy-2-(4-Hydroxyphenyl)-4H-1-Benzopyran-4-One is a high-purity chiral flavanone derivative, a key intermediate in the synthesis of advanced pharmaceutical compounds and bioactive natural products. Its precise stereochemistry and phenolic structure make it a valuable building block for research and development in medicinal chemistry. This compound is essential for manufacturers and R&D laboratories focused on creating novel therapeutics, nutraceuticals, and fine chemicals.

Application

• Pharmaceutical Intermediate: A critical chiral precursor in the synthesis of potent flavonoids and other therapeutic agents with specific biological activities.
• Medicinal Chemistry Research: Used as a scaffold or reference standard in drug discovery programs targeting oxidative stress, inflammation, and metabolic disorders.
• Nutraceutical & Dietary Supplement Development: Serves as a high-purity standard or active ingredient precursor in advanced supplement formulations.
• Biochemical Research: Employed in studies investigating enzyme inhibition, receptor binding, and other flavanone-related biochemical pathways.
• Fine Chemical Synthesis: Acts as a specialized building block for the production of complex organic molecules in custom synthesis and contract manufacturing.
• Analytical Reference Standard: Used in HPLC, LC-MS, and NMR for method development, validation, and quality control of flavonoid-based products.

Basic Information

Product Name	R-2,3-Dihydro-5,7-Dihydroxy-2-(4-Hydroxyphenyl)-4H-1-Benzopyran-4-One
CAS No.	17654-19-2
Molecular Formula	C15H12O5
Molecular Weight	272.25 g/mol
Synonyms	(2R)-5,7-Dihydroxy-2-(4-hydroxyphenyl)-2,3-dihydro-4H-chromen-4-one; (R)-Eriodictyol; R-(+)-Eriodictyol; (2R)-Eriodictyol; (R)-2,3-Dihydro-5,7-dihydroxy-2-(4-hydroxyphenyl)-4-benzopyrone; (R)-5,7,3'-Trihydroxyflavanone; (2R)-5,7,3'-Trihydroxyflavanone; NSC 407303
EINECS	Contact for details

Quality Control

Our R-(+)-Eriodictyol is manufactured under strict quality management systems. Each batch is subjected to comprehensive analytical testing, including chiral purity verification by HPLC, to ensure it meets stringent specifications for pharmaceutical and research applications. Certificates of Analysis (COA) with detailed chromatographic data are provided to guarantee identity, purity, and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The container should be kept in a desiccated environment to minimize moisture exposure.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% (R-isomer)
Loss on Drying	≤ 1.0%
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.