Description

(3As)-1,3A,4,5Aα,8,9,9A,9B-Octahydro-3Aα-Hydroxy-7,9Aβ,9Bα-Trimethylcyclopenta[C][1]Benzopyran-3(2H)-One is a complex, high-purity synthetic intermediate belonging to the cyclopentabenzopyran class of compounds. This specialty chemical is valued for its defined stereochemistry and functional groups, which make it a critical building block in advanced organic synthesis. It is primarily sought after by research and development teams in the pharmaceutical and fine chemical industries for the synthesis of novel active ingredients and complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key chiral precursor in the synthesis of proprietary drug candidates and active pharmaceutical ingredients (APIs).
• Fine Chemical Synthesis: Used in multi-step organic synthesis to construct complex natural product analogs and specialty molecules.
• Research & Development: Employed in academic and industrial R&D laboratories for method development and exploring new chemical entities.
• Process Chemistry: Acts as a standardized starting material for scaling up synthetic routes under Good Manufacturing Practice (GMP) conditions.

Basic Information

Product Name	(3As)-1,3A,4,5Aα,8,9,9A,9B-Octahydro-3Aα-Hydroxy-7,9Aβ,9Bα-Trimethylcyclopenta[C][1]Benzopyran-3(2H)-One
CAS No.	90044-34-1
Molecular Formula	C15H22O3
Molecular Weight	250.33 g/mol
Synonyms	7,9Aβ,9Bα-Trimethyl-3Aα-hydroxy-1,2,3A,4,5Aα,8,9,9A,9B-octahydrocyclopenta[c][1]benzopyran-3(2H)-one; 3Aα-Hydroxy-7,9Aβ,9Bα-trimethyl-1,2,3A,4,5Aα,8,9,9A,9B-octahydrocyclopenta[c]chromen-3-one; 7,9Aβ,9Bα-Trimethyl-3Aα-hydroxyoctahydrocyclopenta[c]chromen-3-one; Cyclopenta[c]benzopyran-3(2H)-one derivative
EINECS	Contact for details

Quality Control

Our (3As)-1,3A,4,5Aα,8,9,9A,9B-Octahydro-3Aα-Hydroxy-7,9Aβ,9Bα-Trimethylcyclopenta[C][1]Benzopyran-3(2H)-One is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity and impurity profile analysis, to ensure consistent quality and batch-to-batch reproducibility. Comprehensive Certificates of Analysis (COA) detailing identity, purity, and related substances are provided and available upon request.

Storage

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