Description

(2R)-3,4-Dihydro-7,8-Dimethoxy-2α-(3,4-Dimethoxyphenyl)-2H-1-Benzopyran-3α,4α-Diol CAS NO 22425-59-8 is a high-purity, optically active benzopyran derivative. This compound is valued for its specific stereochemistry and functional groups, making it a critical advanced pharmaceutical intermediate and a versatile building block in organic synthesis. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors for the development of novel active compounds.

Application

• Pharmaceutical Intermediate: Key chiral building block for the synthesis of potential drug candidates targeting neurological and cardiovascular systems.
• Organic Synthesis Reagent: Used in asymmetric synthesis and as a precursor for complex natural product analogs and heterocyclic compounds.
• Biochemical Research: Serves as a reference standard or probe in enzymatic studies and pharmacological research due to its defined stereochemistry.
• Agrochemical Development: Intermediate in the research and production of novel pesticides or plant growth regulators.
• Material Science Research: Potential monomer or precursor for specialized polymers and advanced organic materials.

Basic Information

Product Name	(2R)-3,4-Dihydro-7,8-Dimethoxy-2α-(3,4-Dimethoxyphenyl)-2H-1-Benzopyran-3α,4α-Diol
CAS No.	22425-59-8
Molecular Formula	C21H24O8
Molecular Weight	404.41 g/mol
Synonyms	(2R)-7,8-Dimethoxy-2-(3,4-dimethoxyphenyl)-3,4-dihydro-2H-1-benzopyran-3,4-diol; (2R)-2-(3,4-Dimethoxyphenyl)-7,8-dimethoxy-3,4-dihydro-2H-chromene-3,4-diol; (2R)-2-(3,4-Dimethoxyphenyl)-7,8-dimethoxy-3,4-dihydro-2H-1-benzopyran-3,4-diol; (2R)-2-(3,4-Dimethoxyphenyl)-7,8-dimethoxychroman-3,4-diol; (2R)-2-(3,4-Dimethoxyphenyl)-7,8-dimethoxy-3,4-dihydro-2H-chromene-3,4-diol; (2R)-2-(3,4-Dimethoxyphenyl)-7,8-dimethoxy-3,4-dihydro-2H-1-benzopyran-3,4-diol; 2R-Dihydroguaiaretic acid derivative; Lignan derivative
EINECS	Contact for details

Quality Control

Our (2R)-3,4-Dihydro-7,8-Dimethoxy-2α-(3,4-Dimethoxyphenyl)-2H-1-Benzopyran-3α,4α-Diol is produced under strict quality management systems. Every batch undergoes rigorous analytical testing, including chiral purity verification, to ensure it meets the high standards required for research and synthesis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. For long-term storage, consider using desiccants or an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% (2R 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.