Description

2-(1,1-Dioxidotetrahydrothien-3-Yl)-5-Methyl-2,4-Dihydro-3H-Pyrazol-3-One is a high-purity heterocyclic organic compound with a unique sulfone and pyrazolone fused structure. This specialized intermediate is critical for synthesizing advanced pharmaceutical compounds and fine chemicals where precise molecular architecture is required. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and advanced material science sectors for developing novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and inflammatory conditions.
• Agrochemical Research: Used in developing new-generation pesticides and herbicides due to its bioactive heterocyclic core.
• Fine Chemical Synthesis: Serves as a versatile precursor for creating complex molecules in custom synthesis and contract manufacturing.
• Biochemical Research: Employed in academic and industrial R&D for studying enzyme inhibition and receptor-ligand interactions.
• Material Science: Investigated for potential use in creating specialty polymers and organic electronic materials.

Basic Information

Product Name	2-(1,1-Dioxidotetrahydrothien-3-Yl)-5-Methyl-2,4-Dihydro-3H-Pyrazol-3-One
CAS No.	881-38-9
Molecular Formula	C8H10N2O3S
Molecular Weight	214.24 g/mol
Synonyms	5-Methyl-2-(tetrahydro-3-thienyl)-2,4-dihydro-3H-pyrazol-3-one 1,1-dioxide; 3-Methyl-1-(1,1-dioxido-3-thiolanyl)-1H-pyrazol-5(4H)-one; 881-38-9; 2-(1,1-Dioxotetrahydro-3-thienyl)-5-methyl-2,4-dihydro-3H-pyrazol-3-one; 5-Methyl-2-(1,1-dioxidotetrahydro-3-thienyl)-2,4-dihydro-3H-pyrazol-3-one
EINECS	Contact for details

Quality Control

Our 2-(1,1-Dioxidotetrahydrothien-3-Yl)-5-Methyl-2,4-Dihydro-3H-Pyrazol-3-One is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) with detailed chromatographic data are provided to guarantee traceability and batch-to-batch consistency.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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