Description

Indeno[2,1-B]Pyran-9(2H)-One, 3,4,4B,5,6,7,8,8A-Octahydro-, (4Br,8As)-Rel- (9Ci) is a complex, stereochemically defined heterocyclic compound belonging to the indenopyranone class. This high-purity intermediate is valued for its unique fused-ring structure, which serves as a critical scaffold in advanced organic synthesis. It is primarily sought by research and development teams in the pharmaceutical and agrochemical sectors for the creation of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key chiral building block for the synthesis of potential drug candidates, particularly in central nervous system (CNS) and anti-inflammatory research.
• Agrochemical Research: Used in developing new generations of herbicides, fungicides, and insecticides with novel modes of action.
• Material Science Precursor: Serves as a starting material for synthesizing specialized organic ligands, dyes, or photoactive compounds.
• Academic & Contract Research: Essential for methodological studies in organic chemistry, including asymmetric synthesis and catalysis.
• Fine Chemical Synthesis: Employed in custom synthesis projects to create complex, high-value molecules for various industrial applications.

Basic Information

Item	Details
Product Name	Indeno[2,1-B]Pyran-9(2H)-One, 3,4,4B,5,6,7,8,8A-Octahydro-, (4Br,8As)-Rel- (9Ci)
CAS No.	649570-73-0
Molecular Formula	C12H16O2
Molecular Weight	192.26 g/mol
Synonyms	(4bR,8aS)-3,4,4b,5,6,7,8,8a-Octahydro-2H-indeno[2,1-b]pyran-9-one; rel-(4bR,8aS)-3,4,4b,5,6,7,8,8a-Octahydroindeno[2,1-b]pyran-9(2H)-one; Octahydroindenopyranone; Indenopyranone derivative; CAS 649570-73-0; Fused bicyclic lactone intermediate; Chiral indenopyran scaffold.
EINECS	Contact for details

Quality Control

Our Indeno[2,1-B]Pyran-9(2H)-One derivative is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity assessment by HPLC, to ensure identity, strength, and compositional integrity. A Certificate of Analysis (COA) detailing purity, enantiomeric excess, and impurity profiles is provided with every shipment to support your regulatory and R&D documentation needs.

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). The compound may be sensitive to prolonged exposure to air and moisture; keep containers tightly sealed under an inert atmosphere for long-term storage.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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