Description

Ethyl 5-(3-Oxocyclobutyl)Pentanoate is a high-value organic ester featuring a cyclobutanone moiety, serving as a versatile synthetic intermediate. Its unique structure makes it a critical building block for the development of novel pharmaceutical compounds and advanced organic materials. This product is essential for R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce complex, strained-ring architectures into their target molecules.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring a functionalized cyclobutane ring system.
• Agrochemical Synthesis: Building block for creating novel herbicides, fungicides, and insecticides with potentially enhanced activity profiles.
• Material Science Research: Used in the development of specialty polymers and advanced organic materials with tailored thermal or mechanical properties.
• Organic Synthesis & Method Development: Valuable substrate for studying ring-opening, conjugate addition, and other transformations of strained ketones in academic and industrial research.
• Fragrance & Flavor Chemistry: Potential intermediate for synthesizing complex musk or woody odorants, given its ester and ketone functionalities.

Basic Information

Product Name	Ethyl 5-(3-Oxocyclobutyl)Pentanoate
CAS No.	1019842-26-2
Molecular Formula	C11H18O3
Molecular Weight	198.26 g/mol
Synonyms	Ethyl 5-(3-oxocyclobutyl)pentanoate; 5-(3-Oxocyclobutyl)pentanoic Acid Ethyl Ester; 3-Oxocyclobutanepentanoic Acid Ethyl Ester; Ethyl 5-(3-Oxocyclobutyl)valerate; 1019842-26-2; Pentanoic acid, 5-(3-oxocyclobutyl)-, ethyl ester
EINECS	Contact for details

Quality Control

Our Ethyl 5-(3-Oxocyclobutyl)Pentanoate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, confirming compliance with agreed specifications. For custom synthesis projects, we adhere to cGMP guidelines 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). Keep away from strong oxidizing agents, strong bases, and sources of ignition. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.