Description

1,2,2A,7B-Tetrahydro-1,2-Dimethylbenzo[B]Cyclobuta[D]Thiophene-1,2-Dicarboxylic Acid is a high-purity, complex organic acid derivative featuring a fused cyclobutathiophene core structure. This compound is valued for its unique molecular architecture, which makes it a versatile and critical advanced intermediate in sophisticated organic synthesis. It is primarily sought after by research and development teams in the pharmaceutical and agrochemical sectors for the construction of novel active molecules.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or requiring complex heterocyclic frameworks.
• Agrochemical Research: Used in the development of new-generation herbicides, fungicides, or insecticides, leveraging its unique fused-ring system for bioactivity.
• Material Science Precursor: Serves as a specialized monomer or precursor for advanced polymers, liquid crystals, or organic electronic materials due to its rigid, planar structure.
• Organic Synthesis Reagent: Employed in academic and industrial R&D for complex cycloaddition reactions or as a scaffold for constructing polycyclic compounds.
• Chemical Reference Standard: Used as a high-purity analytical standard for quality control and method development in analytical laboratories.

Basic Information

Item	Details
Product Name	1,2,2A,7B-Tetrahydro-1,2-Dimethylbenzo[B]Cyclobuta[D]Thiophene-1,2-Dicarboxylic Acid
CAS No.	57156-87-3
Molecular Formula	C15H16O4S
Molecular Weight	292.35 g/mol
Synonyms	1,2-Dimethylbenzo[b]cyclobuta[d]thiophene-1,2-dicarboxylic acid, 1,2,2a,7b-Tetrahydro-; Benzo[b]cyclobuta[d]thiophene-1,2-dicarboxylic acid, 1,2,2a,7b-tetrahydro-1,2-dimethyl-; 1,2-Dimethyl-1,2,2a,7b-tetrahydrobenzo[b]cyclobuta[d]thiophene-1,2-dicarboxylic acid; Tetrahydrodimethylbenzocyclobutathiophenedicarboxylic Acid
EINECS	Contact for details

Quality Control

Our production of this specialty intermediate adheres to stringent quality protocols to ensure batch-to-batch consistency and reliability for your critical syntheses. Every lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality management systems.

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). Keep the container tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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