Description

(3S,3'R,4S,4'S,4aS,4'aS)-2,2',3,3',4,4',9,9'-Octahydro-1,1',4,4',8,8'-hexahydroxy-3,3'-dimethyl-9,9'-dioxo-7,7'-bi(4aH-xanthene)-4a,4'a-dicarboxylic acid dimethyl ester is a complex, high-purity synthetic intermediate belonging to the dimeric xanthene class. This compound is valued for its precise stereochemistry and functional groups, making it a critical building block in advanced organic synthesis. It is primarily sought after by research institutions and pharmaceutical companies for the development of novel active pharmaceutical ingredients (APIs) and specialized fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key chiral precursor in the synthesis of complex drug molecules and potential therapeutic agents.
• Advanced Organic Synthesis: Used as a sophisticated building block for constructing complex natural product analogs and macrocyclic compounds.
• Chemical Research: Employed in academic and industrial R&D for studying stereoselective reactions and developing new synthetic methodologies.
• Fine Chemical Production: Integral in the manufacture of high-value specialty chemicals, dyes, and functional materials requiring specific molecular architectures.

Basic Information

Product Name	(3S,3'R,4S,4'S,4aS,4'aS)-2,2',3,3',4,4',9,9'-Octahydro-1,1',4,4',8,8'-hexahydroxy-3,3'-dimethyl-9,9'-dioxo-7,7'-bi(4aH-xanthene)-4a,4'a-dicarboxylic acid dimethyl ester
CAS No.	35287-70-8
Molecular Formula	C34H34O16
Molecular Weight	698.63 g/mol
Synonyms	Dimethyl 4a,4'a-dicarboxy-1,1',4,4',8,8'-hexahydroxy-3,3'-dimethyl-9,9'-dioxo-7,7'-bi(4aH-xanthene)-2,2',3,3',4,4',9,9'-octahydro-3S,3'R,4S,4'S,4aS,4'aS-dicarboxylate; Dimeric Xanthene Derivative; Octahydrohexahydroxydimethyldioxobixanthenedicarboxylic Acid Dimethyl Ester; (3S,3'R,4S,4'S,4aS,4'aS)-Hexahydroxy-dimethyldioxo-bixanthene-dicarboxylic Acid Dimethyl Ester; CAS 35287-70-8; 35287-70-8; Bixanthene Dicarboxylate Ester
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Each batch is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry to confirm identity, purity, and stereochemical integrity. Certificates of Analysis (COA) detailing batch-specific results are available upon request, supporting your quality assurance and regulatory documentation needs.

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 exclude moisture. For long-term storage, consider the use of desiccants.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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