Description

1,4-Cyclopentadiene-1-Carboxaldehyde, 5-Hydroxy-2-Nitro- (9Ci) is a specialized nitro-substituted cyclopentadiene derivative, serving as a high-value synthetic intermediate for advanced organic synthesis. Its unique molecular structure, featuring both aldehyde and nitro functional groups on a cyclopentadiene core, makes it a critical building block for constructing complex heterocyclic and pharmaceutical scaffolds. This compound is primarily utilized by research and development chemists in the pharmaceutical, agrochemical, and advanced materials sectors.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds with complex polycyclic or heterocyclic structures.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its reactive functional groups for structural diversification.
• Ligand and Catalyst Synthesis: Serves as a starting material for creating specialized ligands used in asymmetric catalysis and organometallic chemistry.
• Advanced Material Precursor: Employed in the research of organic electronic materials, dyes, and pigments due to its conjugated system.
• Academic and R&D Laboratories: A valuable reagent for methodological studies in organic synthesis, including cycloaddition and functional group transformation reactions.

Basic Information

Product Name	1,4-Cyclopentadiene-1-Carboxaldehyde, 5-Hydroxy-2-Nitro- (9Ci)
CAS No.	263144-32-7
Molecular Formula	C6H5NO4
Molecular Weight	155.11 g/mol
Synonyms	5-Hydroxy-2-nitro-1,4-cyclopentadiene-1-carboxaldehyde; 2-Nitro-5-hydroxy-1,4-cyclopentadiene-1-carbaldehyde; 1,4-Cyclopentadiene-1-carboxaldehyde, 5-hydroxy-2-nitro-; 5-Hydroxy-2-nitrocyclopenta-1,4-diene-1-carbaldehyde
EINECS	Contact for details

Quality Control

Every batch of 1,4-Cyclopentadiene-1-Carboxaldehyde, 5-Hydroxy-2-Nitro- (9Ci) is produced and tested under strict quality management protocols to ensure consistency and purity for research and development applications. Our products undergo rigorous quality testing, including chromatographic purity analysis and spectroscopic identification, to ensure compliance with exacting standards. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and identity is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) in a cool, dry, and well-ventilated place. Due to its light-sensitive and easily oxidized nature, prolonged exposure to air and light should be avoided. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Melting Point	Contact for details
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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