Description

3A(1H)-Pentalenecarbonyl Chloride, 2,3,4,5-Tetrahydro-1-Methyl-, trans- (9Ci) is a specialized, high-purity chemical intermediate featuring a reactive carbonyl chloride group on a fused bicyclic pentalene scaffold. This compound matters for its role as a critical building block in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily needed by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting complex heterocycles.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its reactive site for derivatization.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing fused ring systems and introducing functional groups via acyl chloride chemistry.
• Material Science Precursor: Potential use in the synthesis of specialized polymers or organic electronic materials with unique properties.
• Chemical Biology Probe Development: Useful for creating activity-based probes or affinity labels due to its electrophilic carbonyl chloride moiety.

Basic Information

Item	Detail
Product Name	3A(1H)-Pentalenecarbonyl Chloride, 2,3,4,5-Tetrahydro-1-Methyl-, trans- (9Ci)
CAS No.	127353-90-6
Molecular Formula	C11H13ClO
Molecular Weight	196.67 g/mol
Synonyms	trans-1-Methyl-2,3,4,5-tetrahydro-3a(1H)-pentalenecarbonyl chloride; 1-Methyl-2,3,4,5-tetrahydro-3aH-pentalene-3a-carbonyl chloride; 3aH-Pentalene-3a-carbonyl chloride, 1,2,3,4,5,6-hexahydro-1-methyl-, (3aR,6aS)-rel-; Pentalenecarbonyl chloride, 2,3,4,5-tetrahydro-1-methyl-, trans-; (3aR,6aS)-1-Methylhexahydro-3aH-pentalene-3a-carbonyl chloride
EINECS	Contact for details

Quality Control

Our 3A(1H)-Pentalenecarbonyl Chloride is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and FTIR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical parameters. Our quality systems support development and cGMP manufacturing needs for advanced intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Keep away from heat, sparks, open flames, and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Area %)
Water Content (KF)	≤ 0.5%

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