Description

3A(1H)-Pentalenecarboxylicacid,2,3,6,6A-Tetrahydro-4-Methyl-3-Oxo-,Methylester,(3Ar,6As)-Rel-(9Ci) is a high-purity, advanced pharmaceutical intermediate with a complex, functionalized pentalene core structure. This compound is valued for its role as a critical building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly in complex organic transformations. It is essential for research and development chemists and process scale-up teams in the pharmaceutical, agrochemical, and fine chemical industries seeking to develop new therapeutic agents.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of new drug candidates, especially in areas requiring complex polycyclic frameworks.
• Organic Synthesis Building Block: Utilized in advanced organic reactions, including cycloadditions and stereoselective transformations, to construct intricate molecular architectures.
• Agrochemical Research: Serves as a precursor in the development of novel pesticides and herbicides with specific biological activity.
• Academic & Industrial R&D: Used in chemical research laboratories for methodological studies and the exploration of new synthetic pathways.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals where high purity and specific stereochemistry are required.

Basic Information

Product Name	3A(1H)-Pentalenecarboxylicacid,2,3,6,6A-Tetrahydro-4-Methyl-3-Oxo-,Methylester,(3Ar,6As)-Rel-(9Ci)
CAS No.	811784-61-9
Molecular Formula	C12H14O3
Molecular Weight	206.24 g/mol
Synonyms	(3aR,6aS)-rel-2,3,6,6a-Tetrahydro-4-methyl-3-oxo-3aH-pentalene-3a-carboxylic acid methyl ester; Methyl (3aR,6aS)-rel-2,3,6,6a-tetrahydro-4-methyl-3-oxo-3aH-pentalene-3a-carboxylate; 3aH-Pentalene-3a-carboxylic acid, 2,3,6,6a-tetrahydro-4-methyl-3-oxo-, methyl ester, (3aR,6aS)-rel-; 811784-61-9; Methyl 2,3,6,6a-tetrahydro-4-methyl-3-oxo-3aH-pentalene-3a-carboxylate
EINECS	Contact for details

Quality Control

Our production of 3A(1H)-Pentalenecarboxylicacid,2,3,6,6A-Tetrahydro-4-Methyl-3-Oxo-,Methylester,(3Ar,6As)-Rel-(9Ci) adheres to stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency, meeting the exacting standards required for pharmaceutical R&D. A comprehensive Certificate of Analysis (COA) detailing purity (HPLC/GC), chiral purity, and impurity profiles is provided with every shipment to support your quality and 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 the container tightly sealed in a dry environment to minimize exposure to moisture. For long-term storage, consider inert atmosphere conditions.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 0.5%
Residual Solvents (GC)	Meets ICH Q3C guidelines
Loss on Drying	≤ 0.5%

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