Description

2',3',9',10'-Tetrahydrospiro[Cyclohexane-1,8'-Cyclopenta[C]Pyrano[3,2-G]Chromen]-4'(1'H)-One O is a complex spirocyclic organic compound characterized by its fused pyranochromene and cyclopentane ring systems. This unique molecular architecture makes it a valuable advanced intermediate or building block in sophisticated organic syntheses, particularly in pharmaceutical research and development. It is primarily sought after by R&D chemists and process development scientists in the fine chemical, agrochemical, and life science industries for creating novel active compounds.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel drug candidates, especially those targeting central nervous system (CNS) or anti-inflammatory pathways.
• Organic Synthesis Building Block: Used in complex multi-step syntheses to construct intricate polycyclic frameworks due to its spirocyclic and fused ring structure.
• Agrochemical Research: Acts as a key intermediate in the development of new pesticides or herbicides with unique modes of action.
• Material Science Research: Investigated as a monomer or precursor for specialty polymers or organic electronic materials requiring specific rigid, fused architectures.
• Academic & Institutional Research: Utilized in universities and research institutes for methodological studies in synthetic organic chemistry and catalysis.
• Reference Standard: Supplied as a high-purity analytical standard for quality control and method development in analytical laboratories.

Basic Information

Product Name	2',3',9',10'-Tetrahydrospiro[Cyclohexane-1,8'-Cyclopenta[C]Pyrano[3,2-G]Chromen]-4'(1'H)-One O
CAS No.	929841-66-7
Molecular Formula	C20H22O3
Molecular Weight	310.39 g/mol
Synonyms	2',3',9',10'-Tetrahydrospiro[cyclohexane-1,8'-cyclopenta[c]pyrano[3,2-g]chromen]-4'(1'H)-one; Spiro[cyclohexane-1,8'-cyclopenta[c]pyrano[3,2-g]chromene]-4'(1'H)-one, 2',3',9',10'-tetrahydro-; 929841-66-7; Cyclopenta[c]pyrano[3,2-g]chromen-4'(1'H)-one, 2',3',9',10'-tetrahydrospiro[cyclohexane-1,8'-; Tetrahydrospirochromenone derivative; Spirocyclic pyranochromenone
EINECS	Contact for details

Quality Control

Our 2',3',9',10'-Tetrahydrospiro[Cyclohexane-1,8'-Cyclopenta[C]Pyrano[3,2-G]Chromen]-4'(1'H)-One O is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting all critical quality attributes. We support cGMP compliance for pharmaceutical applications and can tailor specifications to meet specific project requirements.

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 away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0% (Area %)
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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