Description

2(1H)-Pentalenone, 5-Acetyl-3,3A,4,6A-Tetrahydro-, (3As)- (9Ci) is a specialized chiral intermediate of significant interest in advanced organic synthesis. Its unique fused-ring structure makes it a valuable building block for constructing complex molecular architectures. This compound is primarily utilized by research institutions and pharmaceutical development companies engaged in the synthesis of novel active pharmaceutical ingredients (APIs) and fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key chiral precursor in the research and development of new therapeutic agents.
• Fine Chemical Synthesis: Used in the construction of complex, polycyclic organic molecules for material science and catalysis research.
• Academic & Industrial Research: A valuable reagent for methodological studies in asymmetric synthesis and total synthesis projects.
• Agrochemical Development: Potential intermediate for creating novel, high-value crop protection agents with specific stereochemistry.

Basic Information

Product Name	2(1H)-Pentalenone, 5-Acetyl-3,3A,4,6A-Tetrahydro-, (3As)- (9Ci)
CAS No.	112835-91-3
Molecular Formula	C11H14O2
Molecular Weight	178.23 g/mol
Synonyms	(3aS)-5-Acetyl-3,3a,4,6a-tetrahydro-2H-pentalen-2-one; 5-Acetyl-3,3a,4,6a-tetrahydro-2(1H)-pentalenone, (3aS)-; 2(1H)-Pentalenone, 5-acetyl-3,3a,4,6a-tetrahydro-, (3aS)-; (3aS)-5-Acetyl-3,3a,4,6a-tetrahydro-1H-pentalen-2-one; (3aS)-5-Acetyl-3,3a,4,6a-tetrahydro-2H-pentalen-2-one (9CI); 112835-91-3; (3aS)-5-Acetyl-3,3a,4,6a-tetrahydro-2H-pentalen-2-one (9CI)
EINECS	Contact for details

Quality Control

Our 2(1H)-Pentalenone, 5-Acetyl-3,3A,4,6A-Tetrahydro-, (3As)- (9Ci) is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. We support custom synthesis and purification to meet specific research-grade or cGMP starting material requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
Related Substances (HPLC)	Total impurities ≤ 2.0%
Residual Solvents (GC)	Complies with ICH guidelines

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