Description

6,6-Dimethyl-3-(Methylthio)-4,5,6,7-Tetrahydrobenzo[C]Thiophen-4-Oxo-1-Carboxylic Acid, Tech. is a high-value, multi-functional heterocyclic building block used in advanced organic synthesis. This compound is critical for the development of novel active pharmaceutical ingredients (APIs) and agrochemicals, offering a unique molecular scaffold for creating complex molecules. It is primarily sought after by research and development chemists and process development teams in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Synthesis: Used as a building block for developing new-generation herbicides, fungicides, and insecticides with improved efficacy and environmental profiles.
• Material Science Research: Employed in the development of advanced organic electronic materials, such as semiconductors and light-emitting compounds.
• Chemical Research & Development: A versatile synthon for constructing complex polycyclic frameworks in academic and industrial R&D settings.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for the production of client-specific target molecules.

Basic Information

Product Name	6,6-Dimethyl-3-(Methylthio)-4,5,6,7-Tetrahydrobenzo[C]Thiophen-4-Oxo-1-Carboxylic Acid, Tech.
CAS No.	172516-41-5
Molecular Formula	C13H16O3S2
Molecular Weight	284.39 g/mol
Synonyms	6,6-Dimethyl-3-(methylthio)-4-oxo-4,5,6,7-tetrahydro-1-benzothiophene-1-carboxylic acid; 6,6-Dimethyl-3-methylsulfanyl-4-oxo-5,6,7,8-tetrahydro-4H-[1]benzothiolo[2,3-c]pyran-1-carboxylic acid; 172516-41-5; Tetrahydrobenzothiophene carboxylic acid derivative; Tech. Grade 6,6-Dimethyl-3-(Methylthio)-4-oxo-1-carboxylic acid.
EINECS	Contact for details

Quality Control

Our technical grade product undergoes rigorous quality testing to ensure batch-to-batch consistency and suitability for synthesis applications. While this grade is optimized for cost-effective industrial use, we maintain strict in-process controls. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and key physical parameters is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong acids and incompatible materials. The product is light-sensitive and should be stored away from light.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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