Description

1-Cyclopentyl-4-Nitro-1H-Pyrazole is a specialized heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its role as a key intermediate in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals, where its unique pyrazole core functionalized with a nitro group offers versatile reactivity. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of potential drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and metabolic diseases.
• Agrochemical Research: Serves as a building block for developing new herbicides, fungicides, and insecticides with novel modes of action.
• Material Science: Used in the research and development of specialty polymers, ligands for catalysis, and organic electronic materials.
• Chemical Synthesis: Acts as a versatile synthon for further functionalization, including reduction of the nitro group to an amine or cyclization reactions.
• Academic & Contract Research: Employed in university and CRO (Contract Research Organization) laboratories for methodological studies and discovery chemistry.

Basic Information

Product Name	1-Cyclopentyl-4-Nitro-1H-Pyrazole
CAS No.	1245772-56-8
Molecular Formula	C8H11N3O2
Molecular Weight	181.19 g/mol
Synonyms	4-Nitro-1-cyclopentyl-1H-pyrazole; 1-Cyclopentyl-4-nitropyrazole; 1H-Pyrazole, 1-cyclopentyl-4-nitro-; Cyclopentyl-4-nitropyrazole
EINECS	Contact for details

Quality Control

Our 1-Cyclopentyl-4-Nitro-1H-Pyrazole is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure high purity and consistent identity. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical characteristics is provided with every 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 place at controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.