Description

1H-Pyrazole-4-Carboxylic Acid, 4,5-Dihydro-5-Oxo-, Hydrazide (9Ci) is a high-purity heterocyclic building block and key synthetic intermediate. This compound is valued for its versatile reactivity, particularly in the formation of complex nitrogen-containing heterocycles and as a precursor for active pharmaceutical ingredients (APIs). It is essential for research and development chemists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop novel compounds with specific biological activities.

Application

• Pharmaceutical Intermediate: A critical building block for the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and metabolic diseases.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic core for bioactivity.
• Chemical Research & Development: Serves as a versatile scaffold in medicinal chemistry for creating focused libraries and exploring structure-activity relationships (SAR).
• Ligand & Chelating Agent Precursor: Utilized in the synthesis of specialized ligands for catalysis or metal complexation studies.
• Material Science Applications: Potential intermediate for the development of advanced polymers or organic electronic materials with specific functional properties.

Basic Information

Product Name	1H-Pyrazole-4-Carboxylic Acid, 4,5-Dihydro-5-Oxo-, Hydrazide (9Ci)
CAS No.	395662-74-5
Molecular Formula	C4H6N4O2
Molecular Weight	142.12 g/mol
Synonyms	5-Oxo-4,5-dihydro-1H-pyrazole-4-carbohydrazide; 4,5-Dihydro-5-oxo-1H-pyrazole-4-carboxylic acid hydrazide; 1H-Pyrazole-4-carboxylic acid, 4,5-dihydro-5-oxo-, hydrazide; 5-Oxo-1H-pyrazole-4-carbohydrazide; 4,5-Dihydro-5-oxo-1H-pyrazole-4-carbohydrazide; Pyrazole-4-carbohydrazide, 4,5-dihydro-5-oxo-; Hydrazide of 4,5-dihydro-5-oxo-1H-pyrazole-4-carboxylic acid
EINECS	Contact for details

Quality Control

Our production of 1H-Pyrazole-4-Carboxylic Acid, 4,5-Dihydro-5-Oxo-, Hydrazide (9Ci) adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure consistency and compliance with research-grade specifications. A detailed Certificate of Analysis (COA) is provided with each shipment to guarantee traceability and support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). This material is moisture-sensitive (hygroscopic); keep the container tightly sealed under an inert atmosphere if possible to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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