Description

7-Methyl-9,10-Dihydrospiro(5H,11H-Benzo[C]Pyrano[3,2-G]Chromene-9,1'-Cyclohexane)-5,11-Dione is a high-purity, complex spirocyclic organic compound with significant potential in advanced chemical synthesis. This specialized molecule serves as a critical building block or intermediate in the development of novel materials and active pharmaceutical ingredients (APIs). It is primarily sought by research institutions, pharmaceutical R&D departments, and fine chemical manufacturers engaged in cutting-edge organic chemistry and drug discovery programs.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel therapeutic agents, particularly in medicinal chemistry research.
• Organic Synthesis Building Block: Utilized in complex multi-step syntheses to construct intricate molecular architectures.
• Material Science Research: Potential monomer or additive for developing specialized polymers or advanced organic materials.
• Agrochemical Development: Intermediate in the research and synthesis of new crop protection agents.
• Academic & Industrial R&D: Serves as a reference standard or starting material for chemical exploration and process development.
• Dye & Pigment Chemistry: Potential intermediate for synthesizing novel chromophores due to its fused aromatic and chromene structure.

Basic Information

Product Name	7-Methyl-9,10-Dihydrospiro(5H,11H-Benzo[C]Pyrano[3,2-G]Chromene-9,1'-Cyclohexane)-5,11-Dione
CAS No.	921135-28-6
Molecular Formula	C22H22O4
Molecular Weight	350.41 g/mol
Synonyms	7-Methyl-9,10-dihydrospiro[5H,11H-benzo[c]pyrano[3,2-g]chromene-9,1'-cyclohexane]-5,11-dione; Spiro[5H,11H-benzo[c]pyrano[3,2-g]chromene-9,1'-cyclohexane]-5,11-dione, 7-methyl-9,10-dihydro-; 921135-28-6; Benzo[c]pyrano[3,2-g]chromene-5,11-dione derivative; Spirochromenedione derivative
EINECS	Contact for details

Quality Control

Our 7-Methyl-9,10-Dihydrospiro(5H,11H-Benzo[C]Pyrano[3,2-G]Chromene-9,1'-Cyclohexane)-5,11-Dione is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP standards for applications requiring the highest level of quality 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 (15-25°C). Keep away from incompatible materials such as strong oxidizing agents, strong acids, and strong bases. For long-term storage, consider an inert atmosphere to preserve 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)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Any single unknown impurity	≤ 0.5%
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.