Description

(S)-7A-Ethyl-2,3,7,7A-Tetrahydro-(6H)-Indene-1,5-Dione is a high-purity chiral synthon and a key intermediate in advanced organic synthesis. Its value lies in its specific stereochemistry and functional groups, which are critical for constructing complex molecular architectures with defined spatial orientation. This compound is essential for researchers and manufacturers in the pharmaceutical and fine chemical industries, particularly for developing active pharmaceutical ingredients (APIs) and other high-value specialty chemicals.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel drug candidates, especially those requiring specific stereochemical configurations.
• Asymmetric Synthesis: Used as a chiral precursor or auxiliary in catalytic asymmetric reactions to induce enantioselectivity.
• Fine Chemical Production: Serves as a key intermediate in the manufacture of complex fragrances, agrochemicals, and other specialty organic compounds.
• Academic & Industrial Research: A valuable reagent for methodological development in organic chemistry and for exploring new synthetic pathways.
• Ligand and Catalyst Development: Potential use in the synthesis of novel chiral ligands or organocatalysts for use in transition metal catalysis.

Basic Information

Product Name	(S)-7A-Ethyl-2,3,7,7A-Tetrahydro-(6H)-Indene-1,5-Dione
CAS No.	33878-95-4
Molecular Formula	C11H14O2
Molecular Weight	178.23 g/mol
Synonyms	(S)-7a-Ethyl-2,3,7,7a-tetrahydro-1H-indene-1,5(6H)-dione; (S)-7a-Ethyl-2,3,7,7a-tetrahydroindene-1,5-dione; (S)-7a-Ethyl-2,3,7,7a-tetrahydro-1H-indene-1,5-dione; (S)-7a-Ethyl-2,3,7,7a-tetrahydro-(6H)-indene-1,5-dione; (S)-7a-Ethyl-2,3,7,7a-tetrahydroindane-1,5-dione; (S)-7a-Ethyl-2,3,7,7a-tetrahydro-1H-indene-1,5(6H)-dione; (S)-7a-Ethyl-2,3,7,7a-tetrahydro-1H-indene-1,5-dione
EINECS	Contact for details

Quality Control

Our (S)-7A-Ethyl-2,3,7,7A-Tetrahydro-(6H)-Indene-1,5-Dione is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis, to ensure it meets the high standards required for pharmaceutical and research applications. Certificates of Analysis (COA) detailing identity, purity, and chiral excess are available upon request, providing full traceability and compliance assurance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong bases and reducing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Loss on Drying	≤ 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.