Description

4A,5-Dihydro-4,7-Dimethylcyclopenta[C]Pyran-3(4H)-One is a specialized organic compound belonging to the cyclopentapyranone class, valued for its unique fused-ring structure. This compound serves as a critical synthetic intermediate and building block in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily utilized by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and fragrance sectors for developing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in the development of new pesticides, herbicides, and plant growth regulators.
• Fragrance & Flavor Synthesis: Serves as a precursor for creating unique aroma chemicals and flavoring agents.
• Material Science: Investigated as a monomer or additive for specialty polymers and advanced materials.
• Academic & Industrial R&D: Essential reagent for methodological studies in organic chemistry and process development.
• Fine Chemical Production: Intermediate for manufacturing complex, high-value specialty chemicals.

Basic Information

Product Name	4A,5-Dihydro-4,7-Dimethylcyclopenta[C]Pyran-3(4H)-One
CAS No.	75364-51-1
Molecular Formula	C10H12O2
Molecular Weight	164.20 g/mol
Synonyms	4,7-Dimethyl-4,5-dihydrocyclopenta[c]pyran-3(4H)-one; 4,7-Dimethyl-4,5-dihydro-3H-cyclopenta[c]pyran-3-one; 4,5-Dihydro-4,7-dimethyl-3H-cyclopenta[c]pyran-3-one; 3H-Cyclopenta[c]pyran-3-one, 4,5-dihydro-4,7-dimethyl-; 4,7-Dimethyl-4,5-dihydrocyclopentapyran-3-one
EINECS	Contact for details

Quality Control

Our 4A,5-Dihydro-4,7-Dimethylcyclopenta[C]Pyran-3(4H)-One is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment. We support custom purity requirements and can supply material compliant with cGMP standards for pharmaceutical development.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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