Description

(-)-7,7'-Dimethoxy-3-(Methoxycarbonylmethyl)-3'-(2-Oxopropyl)-9,9',10,10'-Tetrahydroxy-3,3',4,4'-Tetrahydro-8,8'-Bi[1H-Naphtho[2,3-C]Pyran]-1,1'-Dione CAS NO 55051-93-9 is a complex, chiral naphthopyran derivative with a highly functionalized molecular structure. This compound is of significant interest as a key synthetic intermediate or precursor molecule in advanced organic synthesis. It is primarily utilized by research institutions and pharmaceutical development companies engaged in the creation of novel chemical entities, particularly those exploring bioactive natural product analogs or specialized materials.

Application

• Pharmaceutical Research & Development: Serves as a critical chiral building block or advanced intermediate in the synthesis of potential drug candidates, especially for complex target molecules.
• Organic Synthesis & Process Chemistry: Used by chemists to construct complex polycyclic frameworks or to introduce specific functional groups in multi-step synthetic routes.
• Natural Product Analog Synthesis: Acts as a precursor for synthesizing analogs of complex natural products that contain naphthopyran or similar fused ring systems.
• Material Science Research: Potential use in the development of novel organic materials, dyes, or ligands due to its extended conjugated system and multiple functional groups.
• Academic & Institutional Research: Employed in methodological studies, catalysis research, or as a model compound for studying chemical reactivity and stereochemistry.

Basic Information

Product Name	(-)-7,7'-Dimethoxy-3-(Methoxycarbonylmethyl)-3'-(2-Oxopropyl)-9,9',10,10'-Tetrahydroxy-3,3',4,4'-Tetrahydro-8,8'-Bi[1H-Naphtho[2,3-C]Pyran]-1,1'-Dione
CAS No.	55051-93-9
Molecular Formula	C34H34O14
Molecular Weight	666.63 g/mol
Synonyms	1H-Naphtho[2,3-c]pyran-1,1'-dione, 9,9',10,10'-tetrahydro-3,3',4,4'-tetrahydro-7,7'-dimethoxy-3-(methoxycarbonylmethyl)-3'-(2-oxopropyl)-9,9',10,10'-tetrahydroxy-8,8'-bi-, (3R,3'R)-; (-)-Gossypol derivative; Tetrahydrogossypol derivative; Chiral binaphthyl derivative; CAS 55051-93-9
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards for research chemicals. Each batch is characterized using advanced analytical techniques to confirm identity, purity, and chiral integrity. Certificates of Analysis (COA) detailing specific results for assay, chiral purity, and impurity profiles are available upon request. We adhere to a quality management system to ensure batch-to-batch consistency and traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); ensure the container is sealed under an inert atmosphere if specified for optimal long-term stability.

Specification

Item	Specification
Appearance	Off-white to light yellow solid
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 95.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

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