Description

(R)-2,3-Dihydro-7-Hydroxy-8-(2-Hydroxyethyl)-5-Methoxy-2-Methyl-4H-1-Benzopyran-4-One is a high-purity chiral benzopyranone derivative of significant interest in advanced organic synthesis. This compound serves as a critical pharmaceutical intermediate and a versatile building block for the development of novel active molecules. It is primarily needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors for creating enantiomerically pure products.

Application

• Pharmaceutical Intermediate: Key chiral precursor in the synthesis of enantiomerically pure drug candidates and active pharmaceutical ingredients (APIs).
• Asymmetric Synthesis: Utilized as a sophisticated building block for constructing complex molecular architectures with defined stereochemistry.
• Medicinal Chemistry Research: Serves as a core scaffold for structure-activity relationship (SAR) studies and the discovery of new bioactive compounds.
• Agrochemical Development: Potential intermediate in the research and production of advanced, chiral crop protection agents.
• Fine Chemical Synthesis: Employed in custom synthesis and the manufacture of specialty chemicals requiring high optical purity.
• Reference Standard: Used as an analytical standard for quality control and method development in chromatographic analysis.

Basic Information

Product Name	(R)-2,3-Dihydro-7-Hydroxy-8-(2-Hydroxyethyl)-5-Methoxy-2-Methyl-4H-1-Benzopyran-4-One
CAS No.	92589-99-6
Molecular Formula	C13H16O5
Molecular Weight	252.26 g/mol
Synonyms	(R)-7-Hydroxy-8-(2-hydroxyethyl)-5-methoxy-2-methylchroman-4-one; (R)-2-Methyl-7-hydroxy-8-(2-hydroxyethyl)-5-methoxychroman-4-one; (R)-Hymecromone derivative; (R)-4-Methylumbelliferone derivative; (R)-2,3-Dihydro-7-hydroxy-8-(2-hydroxyethyl)-5-methoxy-2-methyl-4H-chromen-4-one; (R)-8-(2-Hydroxyethyl)-7-hydroxy-5-methoxy-2-methylchroman-4-one
EINECS	Contact for details

Quality Control

Our (R)-2,3-Dihydro-7-Hydroxy-8-(2-Hydroxyethyl)-5-Methoxy-2-Methyl-4H-1-Benzopyran-4-One is produced under strict quality management systems. Every batch undergoes rigorous analytical testing, including chiral purity verification by HPLC, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) detailing identity, purity, and chiral excess are provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This compound may be light-sensitive and hygroscopic; appropriate handling and storage conditions are essential to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
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.