Description

(+)-Acetic Acid (2R)-2α-(3,4-Dimethoxyphenyl)-7-Methoxy-4α-Hydroxychroman-3β-Yl Ester is a high-purity, chiral chemical intermediate of significant interest in advanced organic synthesis. Its complex, multi-functional structure makes it a valuable building block for the development of novel compounds with specific stereochemical configurations. This product is essential for researchers and manufacturers in the pharmaceutical and fine chemical industries who require precise, high-quality intermediates for complex synthetic pathways, including the development of active pharmaceutical ingredients (APIs) and specialty materials.

Application

• Pharmaceutical Intermediate: A key chiral building block in the research and synthesis of novel Active Pharmaceutical Ingredients (APIs), particularly for central nervous system (CNS) or cardiovascular targets.
• Asymmetric Synthesis: Utilized in advanced organic chemistry for constructing complex molecules with defined stereochemistry, serving as a precursor in catalytic asymmetric reactions.
• Medicinal Chemistry Research: Employed in drug discovery programs for structure-activity relationship (SAR) studies and the creation of focused compound libraries.
• Fine Chemical Production: Used in the manufacture of specialty chemicals, flavors, and fragrances where specific enantiomeric purity is critical.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method development in analytical laboratories.

Basic Information

Product Name	(+)-Acetic Acid (2R)-2α-(3,4-Dimethoxyphenyl)-7-Methoxy-4α-Hydroxychroman-3β-Yl Ester
CAS No.	29799-49-3
Molecular Formula	C22H24O7
Molecular Weight	400.42 g/mol
Synonyms	(2R,3S,4R)-2-(3,4-Dimethoxyphenyl)-7-methoxy-4-hydroxychroman-3-yl acetate; (2R,3S,4R)-3-Acetoxy-2-(3,4-dimethoxyphenyl)-7-methoxy-4-hydroxychroman; 3β-Acetoxy-2α-(3,4-dimethoxyphenyl)-7-methoxy-4α-hydroxychroman; (2R,3S,4R)-3-Acetoxy-2-(3,4-dimethoxyphenyl)-7-methoxy-4-hydroxychromane; 2α-(3,4-Dimethoxyphenyl)-7-methoxy-4α-hydroxychroman-3β-yl acetate; Chroman-3β-yl acetate derivative
EINECS	Contact for details

Quality Control

Our (+)-Acetic Acid (2R)-2α-(3,4-Dimethoxyphenyl)-7-Methoxy-4α-Hydroxychroman-3β-Yl Ester is produced under strict quality management systems to ensure batch-to-batch consistency and high enantiomeric purity. Each lot undergoes comprehensive analytical testing, including chiral HPLC, NMR, and mass spectrometry, to confirm identity, purity, and stereochemical integrity. Certificates of Analysis (COA) with detailed specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This compound is light-sensitive (store away from light) and may be hygroscopic (moisture-sensitive); therefore, containers should be kept sealed under an inert atmosphere when not in use to prevent degradation or moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Water Content (KF)	≤ 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.