Description

(2R-Trans)-2-[3,4-Bis(Phenylmethoxy)Phenyl]-3-(Heptyloxy)-3,4-Dihydro-5,7-Bis(Phenylmethoxy)-2H-1-Benzopyran CAS NO 71628-03-0 is a high-purity, complex benzopyran derivative of significant interest in advanced chemical synthesis and pharmaceutical research. This compound serves as a critical chiral intermediate or reference standard for developing novel therapeutic agents. It is primarily required by pharmaceutical R&D laboratories and fine chemical manufacturers engaged in the synthesis of complex organic molecules.

Application

• Pharmaceutical Intermediate: A key chiral building block in the research and development of new drug candidates, particularly in oncology and CNS therapeutic areas.
• Chemical Reference Standard: Used for analytical method development, validation, and quality control in laboratories to ensure the purity and identity of related compounds.
• Academic & Industrial Research: Employed in synthetic organic chemistry studies to explore novel reaction pathways and the properties of complex benzopyran derivatives.
• Process Chemistry Development: Serves as a model compound for scaling up synthetic routes and optimizing production processes for similar high-value chemicals.

Basic Information

Product Name	(2R-Trans)-2-[3,4-Bis(Phenylmethoxy)Phenyl]-3-(Heptyloxy)-3,4-Dihydro-5,7-Bis(Phenylmethoxy)-2H-1-Benzopyran
CAS No.	71628-03-0
Molecular Formula	C47H52O6
Molecular Weight	736.92 g/mol
Synonyms	(2R-trans)-2-[3,4-Bis(benzyloxy)phenyl]-3-(heptyloxy)-3,4-dihydro-5,7-bis(benzyloxy)-2H-1-benzopyran; 2H-1-Benzopyran, 2-[3,4-bis(phenylmethoxy)phenyl]-3,4-dihydro-3-(heptyloxy)-5,7-bis(phenylmethoxy)-, (2R-trans)-; (2R,3S)-2-(3,4-Dibenzyloxyphenyl)-3-heptyloxy-5,7-dibenzyloxychroman; Chroman derivative 71628-03-0; Benzopyran derivative with heptyloxy and benzyloxy substituents
EINECS	Contact for details

Quality Control

Our production of this high-value intermediate adheres to strict quality management systems. Each batch is characterized using advanced analytical techniques including HPLC, GC, NMR, and mass spectrometry to confirm identity, chiral purity, and chemical purity. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to ensure full traceability and compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) in a dry, well-ventilated area. This compound is light-sensitive (store away from light) and should be handled under an inert atmosphere for long-term storage to prevent potential degradation.

Specification

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