Description

2,6-Dihydro-4H-Thieno[3,4-C]Pyrazole-3-Carboxylic Acid 5,5-Dioxide is a high-value, heterocyclic building block characterized by its fused thienopyrazole core and sulfone functionality. This compound is essential for advanced pharmaceutical research and development, serving as a key synthetic intermediate in the creation of novel active pharmaceutical ingredients (APIs). It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of potential drug candidates targeting a range of therapeutic areas.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides due to its bioactive heterocyclic structure.
• Material Science: Serves as a building block for advanced organic electronic materials and functional polymers.
• Chemical Biology: Employed in the design and synthesis of molecular probes and enzyme inhibitors for biochemical studies.
• Custom Synthesis & Contract Manufacturing: A key starting material for custom synthesis projects requiring complex, sulfone-containing heterocycles.

Basic Information

Product Name	2,6-Dihydro-4H-Thieno[3,4-C]Pyrazole-3-Carboxylic Acid 5,5-Dioxide
CAS No.	949034-65-5
Molecular Formula	C6H6N2O4S
Molecular Weight	202.19 g/mol
Synonyms	4H-Thieno[3,4-c]pyrazole-3-carboxylic acid, 2,6-dihydro-, 5,5-dioxide; Thieno[3,4-c]pyrazole-3-carboxylic acid derivative; 5,5-Dioxo-5,6-dihydro-4H-thieno[3,4-c]pyrazole-3-carboxylic acid; 949034-65-5; 2,6-Dihydro-4H-thieno[3,4-c]pyrazole-3-carboxylic acid S,S-dioxide
EINECS	Contact for details

Quality Control

Our production of 2,6-Dihydro-4H-Thieno[3,4-C]Pyrazole-3-Carboxylic Acid 5,5-Dioxide adheres to stringent in-house quality protocols to ensure batch-to-batch consistency and high purity. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. We are committed to meeting the exacting standards required for research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.