Description

1H-Pyrazole-3-Carboxylic Acid, 1-(2,5-Disulfophenyl) -4,5-Dihydro-5-Oxo, 3-Methyl Ester, Disodium Salt is a high-purity, water-soluble organic intermediate with a complex heterocyclic structure. This compound is valued for its functional groups, including the pyrazole core and sulfonate moieties, which make it a versatile building block for advanced synthesis. It is primarily sought after by research and development teams in the pharmaceutical and specialty chemical industries for creating novel active ingredients and functional dyes.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting specific enzyme inhibition.
• Biochemical Research: Used as a specialized reagent or probe in life science research due to its unique molecular scaffold.
• Specialty Dye & Pigment Synthesis: Serves as a crucial intermediate for manufacturing high-performance, water-soluble dyes and functional pigments.
• Agrochemical Development: Building block for creating new-generation herbicides or plant growth regulators with enhanced properties.
• Ligand for Catalysis: Potential use in designing complex ligands for metal-catalyzed reactions in fine chemical production.
• Material Science: Investigated for incorporation into advanced polymers or coatings to impart specific functional characteristics.

Basic Information

Item	Detail
Product Name	1H-Pyrazole-3-Carboxylic Acid, 1-(2,5-Disulfophenyl)-4,5-Dihydro-5-Oxo, 3-Methyl Ester, Disodium Salt
CAS No.	155600-39-8
Molecular Formula	C11H7N2Na2O9S2
Molecular Weight	420.28 g/mol
Synonyms	Disodium 1-(2,5-disulfophenyl)-4,5-dihydro-5-oxo-3-methyl-1H-pyrazole-3-carboxylate; 1-(2,5-Disulfophenyl)-4,5-dihydro-5-oxo-3-methyl-1H-pyrazole-3-carboxylic Acid Disodium Salt; 3-Methyl-1-(2,5-disulfophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic Acid Disodium Salt; Pyrazole Disulfonate Disodium Salt; Acid Red 337 (related dye class); C.I. 17055; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our 1H-Pyrazole-3-Carboxylic Acid, 1-(2,5-Disulfophenyl)-4,5-Dihydro-5-Oxo, 3-Methyl Ester, Disodium Salt is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with each shipment to support your quality assurance and regulatory needs.

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). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed after opening to prevent degradation due to moisture absorption.

Specification

Item	Specification
Appearance	Yellow to orange-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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