Description

1,2,4-Methenopentalene,1,2,3,3A,4,6A-Hexahydro-5-(1-Methylethyl)-,(1S)-(9Ci) is a specialized, high-purity chiral organic compound identified by CAS number 128163-09-7. This structurally complex molecule serves as a valuable advanced intermediate or building block in sophisticated organic synthesis, particularly for the development of novel active ingredients. It is primarily sought by pharmaceutical R&D and fine chemical sectors for creating compounds with specific stereochemistry.

Application

This chiral intermediate is engineered for high-value synthetic applications where structural complexity and stereochemical control are paramount.

• Pharmaceutical Intermediate: A key chiral building block for the synthesis of novel active pharmaceutical ingredients (APIs), especially in central nervous system (CNS) or antiviral research.
• Agrochemical Synthesis: Used in the research and development of advanced, stereospecific pesticides and herbicides.
• Catalyst Ligand Precursor: Serves as a starting material for synthesizing complex chiral ligands used in asymmetric catalysis.
• Material Science Research: Investigated as a monomer or precursor for creating specialized polymers with unique optical or electronic properties.
• Academic & Industrial R&D: Employed in methodological studies and the discovery of new chemical entities in both university and corporate research laboratories.

Basic Information

Product Name	1,2,4-Methenopentalene,1,2,3,3A,4,6A-Hexahydro-5-(1-Methylethyl)-,(1S)-(9Ci)
CAS No.	128163-09-7
Molecular Formula	C12H18
Molecular Weight	162.27 g/mol
Synonyms	(1S)-1,2,3,3a,4,6a-Hexahydro-5-(1-methylethyl)-1,2,4-methenopentalene; 5-Isopropyl-1,2,3,3a,4,6a-hexahydro-1,2,4-methenopentalene, (1S)-; (1S)-5-Isopropyl-1,2,3,3a,4,6a-hexahydro-1,2,4-methenopentalene; 1,2,4-Methenopentalene, 1,2,3,3a,4,6a-hexahydro-5-(1-methylethyl)-, (1S)-; Chiral Hexahydromethenopentalene Derivative
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management protocols. Every batch is characterized using advanced analytical techniques including Chiral HPLC, GC-MS, and NMR to confirm identity, enantiomeric excess (ee), and purity. Comprehensive Certificates of Analysis (COA) detailing all specifications are provided with each shipment to ensure traceability and support your regulatory documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Purity (GC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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