Description

3A(1H)-Pentalenecarboxylicacid,Hexahydro-3-Methylene-4-Oxo-,Methylester,(3Ar,6Ar)-Rel-(9Ci) is a high-purity, specialized organic compound with the CAS registry number 688799-51-1. This complex bicyclic ester is a critical advanced intermediate in modern organic synthesis, valued for its unique stereochemistry and functional groups. It is primarily sought after by research institutions and pharmaceutical development teams for the synthesis of novel active pharmaceutical ingredients (APIs) and complex natural product analogs.

Application

• Pharmaceutical Intermediate: Serves as a key chiral building block in the research and development of new therapeutic agents.
• Organic Synthesis Research: Used in academic and industrial laboratories for methodological studies, including cyclization reactions and stereoselective synthesis.
• Agrochemical Development: Acts as a precursor in the design and synthesis of novel, high-performance crop protection agents.
• Material Science Research: Investigated as a monomer or precursor for specialty polymers with unique thermal or optical properties.
• Flavor & Fragrance Chemistry: Potential intermediate for the synthesis of complex macrocyclic or polycyclic fragrance molecules.

Basic Information

Product Name	3A(1H)-Pentalenecarboxylicacid,Hexahydro-3-Methylene-4-Oxo-,Methylester,(3Ar,6Ar)-Rel-(9Ci)
CAS No.	688799-51-1
Molecular Formula	C10H14O3
Molecular Weight	182.22 g/mol
Synonyms	Methyl (3aR,6aR)-hexahydro-3-methylene-4-oxo-1H-pentalene-3a-carboxylate; Rel-(3aR,6aR)-Hexahydro-3-methylene-4-oxo-1H-pentalene-3a-carboxylic Acid Methyl Ester; 1H-Pentalene-3a-carboxylic acid, hexahydro-3-methylene-4-oxo-, methyl ester, (3aR,6aR)-rel-; 688799-51-1; Bicyclo[3.3.0]octane derivative.
EINECS	Contact for details

Quality Control

Every batch of this advanced intermediate is produced under strict quality management systems. We provide comprehensive Certificates of Analysis (COA) detailing purity, identity, and impurity profiles, typically determined by HPLC, GC, and NMR. Our commitment ensures the reproducible quality and reliability required for critical R&D and scale-up processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from heat sources and incompatible materials. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	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.