

share
Ethyl 2-((8-Chloro-4-Oxo-1,2,3,4-Tetrahydrocyclopenta[C]Chromen-7-Yl)Oxy)Acetate CAS NO 304880-44-2
Unit Price:
CAS No.:304880-44-2
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
Ethyl 2-((8-Chloro-4-oxo-1,2,3,4-tetrahydrocyclopenta[c]chromen-7-yl)oxy)acetate is a high-purity synthetic organic compound belonging to the chromenone class, serving as a critical advanced intermediate in modern chemical synthesis. Its complex molecular architecture makes it a valuable building block for the development of novel active pharmaceutical ingredients (APIs) and specialty fine chemicals. This product is essential for research and development chemists, process chemists, and manufacturers in the pharmaceutical, agrochemical, and advanced material sectors seeking to create new molecules with targeted biological or functional properties.
Application
- Pharmaceutical Intermediate: A key precursor in the synthesis of novel therapeutic agents, particularly in research focused on anti-inflammatory, anti-cancer, or CNS-active compounds.
- Agrochemical Research: Used as a building block for developing new active ingredients for crop protection products, such as herbicides or fungicides.
- Fine Chemical Synthesis: Employed in multi-step organic synthesis to construct complex chromenone and heterocyclic frameworks for various specialty applications.
- Material Science Research: Potential intermediate for the development of organic electronic materials or advanced polymers due to its conjugated system.
- Contract Research & Development (CRO/CMO): Supplied to research organizations and custom synthesis facilities for client-directed projects and process development.
- Academic Research: Used in university and institutional labs for methodological studies and the exploration of new chemical reactions and pathways.
Basic Information
| Product Name | Ethyl 2-((8-Chloro-4-oxo-1,2,3,4-tetrahydrocyclopenta[c]chromen-7-yl)oxy)acetate |
| CAS No. | 304880-44-2 |
| Molecular Formula | C₁₆H₁₅ClO₅ |
| Molecular Weight | 322.74 g/mol |
| Synonyms | Ethyl (8-chloro-4-oxo-1,2,3,4-tetrahydrocyclopenta[c]chromen-7-yl)oxyacetate; 7-[(Ethoxycarbonyl)methoxy]-8-chloro-1,2,3,4-tetrahydrocyclopenta[c]chromen-4-one; 8-Chloro-7-(2-ethoxy-2-oxoethoxy)-3,4-dihydro-1H-cyclopenta[c]chromen-4-one; Chromenone derivative CAS 304880-44-2; 7-Carbethoxymethoxy-8-chloro-1,2,3,4-tetrahydrocyclopenta[c]chromen-4-one |
| EINECS | Contact for details |
Quality Control
Our Ethyl 2-((8-Chloro-4-oxo-1,2,3,4-tetrahydrocyclopenta[c]chromen-7-yl)oxy)acetate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency, meeting the high standards required for advanced synthetic intermediates. Certificates of Analysis (COA) detailing specifications such as assay (HPLC), related substances, and physical characteristics are provided with every shipment. We support compliance needs for cGMP, ISO, and other relevant regulatory frameworks as required.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). The compound may be light-sensitive (store away from light) and should be handled under appropriate conditions to maintain stability.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Identification (IR) | Conforms to structure |
| Assay (HPLC) | ≥ 98.0% |
| Related Substances (HPLC) | Total impurities ≤ 2.0% |
| Any single 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.
Hot Related Products


2-Formyl-3,4-Dihydro-2H-Pyran CAS NO 100-73-2


2-Ethoxy-3,4-Dihydro-2H-Pyran CAS NO 103-75-3


Morpholinium Salicylate CAS NO 147-90-0


2,6-Dimethylpyran-4(4H)-Thione CAS NO 1004-37-1


3-(1H-Benzimidazol-2-Yl)-2H-1-Benzopyran-2-One CAS NO 1032-97-9


4H-Pyran-4-One, 3,5-Dihydroxy-2-Methyl- CAS NO 1073-96-7


4H-Pyran-4-Thione CAS NO 1120-93-0


3,4-Dihydro-2H-Pyran-2-Carbonitrile CAS NO 1192-91-2


4H-Pyran-4-One,3-Methoxy-(6Ci,7Ci,8Ci,9Ci) CAS NO 1193-64-2


Tetrahydro-2-Isocyanato-2H-Pyran CAS NO 1194-00-9


2,2-Dimethyltetrahydropyran-4-One CAS NO 1194-16-7


2,2,6,6-Tetramethyl-2H-3,5,6-Trihydropyran-4-One CAS NO 1197-66-6


4H-Pyran-2-Carboxylic Acid, 5-Methoxy-4-Oxo- CAS NO 1199-60-6


2,6-Diethyl-3,5-Dimethyl-4H-Pyran-4-One CAS NO 1202-10-4


4,7-Dimethyl-2H,5H-Pyrano[4,3-B]Pyran-2,5-Dione CAS NO 1204-38-2


2,2-Dimethyl-5-(Phenylmethylene)-1,3-Dioxane-4,6-Dione CAS NO 1214-54-6


3-(4-Amino-Phenyl)-Chromen-2-One CAS NO 1218-54-8


[2,5-Dioxo-4-(2-Phenylacetyl)Oxy-3-Furyl] 2-Phenylacetate CAS NO 132-81-0


4-Chromanol CAS NO 1481-93-2


1-[(S)-2,3-Dihydro-5-Hydroxy-2-Methylnaphtho[1,8-Bc]Pyran-4-Yl]Ethanone CAS NO 1485-31-0
why choose us
Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.




