Description

4H-1-Benzopyran-4-One, 2-(3,4-Dimethoxyphenyl)-2,3-Dihydro-5,7-Dimethoxy-, (2S)- is a high-purity chiral flavanone derivative of significant interest in advanced organic synthesis and pharmaceutical research. This compound serves as a critical synthetic intermediate and a valuable reference standard for analytical and pharmacological studies. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, nutraceutical, and fine chemical sectors.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel bioactive molecules and potential drug candidates.
• Analytical Reference Standard: High-purity material used for method development, validation, and quality control in HPLC, LC-MS, and NMR analysis.
• Flavanone Research: Essential compound for studying the structure-activity relationships (SAR), metabolism, and biological effects of polymethoxylated flavanones.
• Natural Product Synthesis: Used in the semi-synthesis or total synthesis of complex natural products and their analogs.
• Biochemical Research: Investigated for its potential antioxidant, anti-inflammatory, or other biological properties in vitro and in vivo studies.
• Fine Chemical Production: Serves as a specialized intermediate for producing high-value chemicals for various industrial applications.

Basic Information

Product Name	4H-1-Benzopyran-4-One, 2-(3,4-Dimethoxyphenyl)-2,3-Dihydro-5,7-Dimethoxy-, (2S)-
CAS No.	74628-43-6
Molecular Formula	C19H20O6
Molecular Weight	344.36 g/mol
Synonyms	(2S)-2-(3,4-Dimethoxyphenyl)-5,7-dimethoxy-2,3-dihydro-4H-chromen-4-one; (S)-2-(3,4-Dimethoxyphenyl)-5,7-dimethoxy-2,3-dihydro-4H-chromen-4-one; (2S)-5,7-Dimethoxy-2-(3,4-dimethoxyphenyl)chroman-4-one; (S)-5,7-Dimethoxy-2-(3,4-dimethoxyphenyl)chroman-4-one; (2S)-2,3-Dihydro-5,7-dimethoxy-2-(3,4-dimethoxyphenyl)-4H-1-benzopyran-4-one; NSC 407303; Flavanone derivative
EINECS	Contact for details

Quality Control

Our 4H-1-Benzopyran-4-One, 2-(3,4-Dimethoxyphenyl)-2,3-Dihydro-5,7-Dimethoxy-, (2S)- is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity verification by HPLC, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) with detailed chromatographic data are provided for every shipment.

Storage

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

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% ee
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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