Description

3,3,6,6-Tetramethyl-9-(Thiophen-2-Yl)-3,4,5,6,7,9-Hexahydro-1H-Xanthene-1,8(2H)-Dione is a specialized heterocyclic organic compound featuring a xanthene core fused with a thiophene moiety. This unique molecular architecture makes it a valuable advanced intermediate for the synthesis of complex molecules in high-value research and development. It is primarily sought by pharmaceutical and agrochemical R&D teams for constructing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the research and synthesis of new drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Research: Used in the development of novel pesticides and herbicides, leveraging its complex fused-ring structure for biological activity.
• Material Science Precursor: Acts as a precursor for organic electronic materials, including dyes, pigments, and potential components for organic light-emitting diodes (OLEDs).
• Chemical Synthesis: Employed in academic and industrial laboratories for methodological studies in heterocyclic and multi-component coupling chemistry.
• Ligand and Catalyst Development: The thiophene and xanthene groups can be utilized to create novel ligands for metal catalysis.

Basic Information

Product Name	3,3,6,6-Tetramethyl-9-(Thiophen-2-Yl)-3,4,5,6,7,9-Hexahydro-1H-Xanthene-1,8(2H)-Dione
CAS No.	139501-87-4
Molecular Formula	C23H26O3S
Molecular Weight	382.52 g/mol
Synonyms	9-(2-Thienyl)-3,3,6,6-tetramethyl-1,2,3,4,5,6,7,8-octahydroxanthene-1,8-dione; 9-(Thiophen-2-yl)-3,3,6,6-tetramethyl-3,4,5,6,7,9-hexahydro-1H-xanthene-1,8(2H)-dione; Tetramethylthienylhexahydroxanthenedione; TMTHXD; 139501-87-4; 9-(2-Thienyl)octahydroxanthenedione derivative.
EINECS	Contact for details

Quality Control

Our production of 3,3,6,6-Tetramethyl-9-(Thiophen-2-Yl)-3,4,5,6,7,9-Hexahydro-1H-Xanthene-1,8(2H)-Dione adheres to stringent internal quality protocols. Each batch undergoes comprehensive analytical characterization to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications such as assay (HPLC), related substances, and physical properties are provided and available upon request to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep the container tightly sealed when not in use to protect from moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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