Description

Cyclobutanecarboxylic Acid, 3-[2-(1,1-Dimethylethoxy)-2-Oxoethylidene]- is a specialized, high-purity organic building block featuring a cyclobutane core with a functionalized ester side chain. This compound is valued for its unique steric and electronic properties, making it a critical intermediate in advanced synthetic chemistry. It is primarily sought after by research and development teams in the pharmaceutical and agrochemical sectors for constructing novel molecular architectures, including complex heterocycles and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of novel drug candidates, particularly for constructing constrained ring systems.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides that require specific steric profiles.
• Material Science Research: Serves as a precursor for specialty polymers and advanced organic materials with tailored properties.
• Academic & Industrial R&D: Employed in methodological studies and as a building block for complex natural product synthesis.
• Fine Chemical Production: Integral in the multi-step synthesis of high-value, low-volume specialty chemicals.

Basic Information

Product Name	Cyclobutanecarboxylic Acid, 3-[2-(1,1-Dimethylethoxy)-2-Oxoethylidene]-
CAS No.	847416-51-7
Molecular Formula	C11H16O4
Molecular Weight	212.24 g/mol
Synonyms	3-(2-tert-Butoxy-2-oxoethylidene)cyclobutanecarboxylic acid; 3-[2-(tert-Butoxy)-2-oxoethylidene]cyclobutanecarboxylic acid; tert-Butyl 2-(3-carboxycyclobutylidene)acetate; Cyclobutanecarboxylic acid, 3-[(2-tert-butoxy-2-oxoethyl)idene]-; 847416-51-7; 3-(2-tert-Butoxy-2-oxoethylidene)cyclobutane-1-carboxylic acid
EINECS	Contact for details

Quality Control

Our production of Cyclobutanecarboxylic Acid, 3-[2-(1,1-Dimethylethoxy)-2-Oxoethylidene]- adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We support cGMP-compliant manufacturing for pharmaceutical applications upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent degradation. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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