Description

4-(3,4-Dimethyl-6-Oxopyrano[2,3-C]Pyrazol-1(6H)-Yl)Benzenesulfonic Acid is a specialized organic sulfonic acid derivative that serves as a high-value synthetic intermediate. Its molecular architecture, featuring a fused pyranopyrazole core, makes it a critical building block for the development of advanced functional materials and active pharmaceutical ingredients. This compound is primarily sought after by research and development teams in the pharmaceutical, agrochemical, and specialty chemical industries for creating novel compounds with targeted properties.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting specific enzyme pathways.
• Agrochemical Research: Used in developing new active ingredients for crop protection products, such as herbicides and fungicides.
• Dye & Pigment Synthesis: Acts as a sulfonating agent and structural component in the production of specialized dyes and colorants.
• Polymer Modification: Employed to introduce sulfonic acid groups into polymers, enhancing properties like hydrophilicity or ionic conductivity.
• Chemical Research & Development: Serves as a versatile scaffold in medicinal chemistry and material science for structure-activity relationship (SAR) studies.
• Ligand & Catalyst Preparation: Potential use in creating complexing agents or organocatalysts due to its multifunctional structure.

Basic Information

Product Name	4-(3,4-Dimethyl-6-Oxopyrano[2,3-C]Pyrazol-1(6H)-Yl)Benzenesulfonic Acid
CAS No.	676246-99-4
Molecular Formula	C₁₆H₁₄N₂O₅S
Molecular Weight	346.36 g/mol
Synonyms	4-(3,4-Dimethyl-6-oxo-6H-pyrano[2,3-c]pyrazol-1-yl)benzenesulfonic acid; 1-(4-Sulfophenyl)-3,4-dimethyl-6-oxo-6H-pyrano[2,3-c]pyrazole; Benzenesulfonic acid, 4-(3,4-dimethyl-6-oxo-6H-pyrano[2,3-c]pyrazol-1-yl)-; Pyranopyrazole sulfonic acid derivative
EINECS	Contact for details

Quality Control

Every batch of 4-(3,4-Dimethyl-6-Oxopyrano[2,3-C]Pyrazol-1(6H)-Yl)Benzenesulfonic Acid is manufactured under strict quality management systems. We employ advanced analytical techniques including HPLC, NMR, and mass spectrometry to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical characteristics is provided with each 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 area at room temperature (15-25°C). Keep away from strong bases, oxidizing agents, and incompatible materials. Due to its acidic nature, ensure containers are made of compatible materials and are properly labeled.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 3.0%

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