Description

3A(1H)-Pentalenecarbonyl Chloride, Hexahydro-, cis- (9Ci) is a specialized, high-purity chemical intermediate characterized by its reactive carbonyl chloride functional group. This compound matters for its role as a critical building block in the synthesis of complex organic molecules, particularly in pharmaceutical research and fine chemical manufacturing. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors seeking to introduce specific structural motifs or create novel active ingredients.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly for introducing the pentalene or related fused-ring systems.
• Agrochemical Synthesis: Used in research and development for creating new herbicides, fungicides, and insecticides with unique modes of action.
• Material Science Research: Acts as a monomer or cross-linking agent in the development of specialty polymers and advanced organic materials.
• Organic Synthesis Reagent: Employed in academic and industrial laboratories for constructing complex, polycyclic hydrocarbon frameworks via Friedel-Crafts acylation or other carbonyl-based reactions.
• Ligand and Catalyst Development: Utilized in the preparation of specialized ligands for catalysis or as a scaffold for catalyst design in asymmetric synthesis.

Basic Information

Product Name	3A(1H)-Pentalenecarbonyl Chloride, Hexahydro-, cis- (9Ci)
CAS No.	72009-31-5
Molecular Formula	C10H13ClO
Molecular Weight	184.66 g/mol
Synonyms	cis-Hexahydro-3a(1H)-pentalenecarbonyl chloride; Hexahydro-3a(1H)-pentalenecarbonyl chloride, cis-; 1,2,3,3a,4,5-Hexahydropentalene-3a-carbonyl chloride; Bicyclo[3.3.0]octane-3a-carbonyl chloride; 3a-Carboxy-1,2,3,3a,4,5-hexahydropentalenoyl chloride; 3a(1H)-Pentalenecarboxylic acid, hexahydro-, chloride, cis-; 3a-Pentalenecarbonyl chloride
EINECS	Contact for details

Quality Control

Every batch of 3A(1H)-Pentalenecarbonyl Chloride, Hexahydro-, cis- (9Ci) undergoes rigorous analytical testing to ensure identity, purity, and consistency. Our quality management system is designed to meet the stringent requirements of research and development applications. A comprehensive Certificate of Analysis (COA) detailing purity (typically by HPLC/NMR), identity confirmation (by IR, NMR), and impurity profiles 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 place at controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition. Keep away from strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Typical 97-99%)
Water Content (KF)	≤ 0.5%

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