Description

Ketone, Methyl 3-Methyl-1-Cyclobuten-1-Yl (7Ci) is a specialized cyclic ketone derivative, valued for its unique strained ring structure and reactive carbonyl group. This compound serves as a versatile and high-value chemical intermediate for advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical and agrochemical sectors for creating novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those requiring complex, strained-ring scaffolds.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, leveraging its reactive site for functionalization.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, flavors, and fragrances where specific cyclic ketone motifs are required.
• Material Science Research: Acts as a monomer or precursor in the development of advanced polymers with unique thermal or mechanical properties.
• Academic & Industrial R&D: Serves as a critical reagent in methodological studies and the exploration of new cycloaddition or ring-opening reactions.

Basic Information

Product Name	Ketone, Methyl 3-Methyl-1-Cyclobuten-1-Yl (7Ci)
CAS No.	90049-66-4
Molecular Formula	C7H10O
Molecular Weight	110.15 g/mol
Synonyms	3-Methyl-1-cyclobuten-1-yl methyl ketone; 1-(3-Methyl-1-cyclobuten-1-yl)ethanone; Methyl 3-methyl-1-cyclobuten-1-yl ketone; 3-Methylcyclobut-1-en-1-yl methyl ketone; 7CI compound 90049-66-4; Ethanone, 1-(3-methyl-1-cyclobuten-1-yl)-; 3-Methyl-1-cyclobutenyl methyl ketone
EINECS	Contact for details

Quality Control

Our production of Ketone, Methyl 3-Methyl-1-Cyclobuten-1-Yl (7Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and reliability for sensitive synthetic applications. All materials are characterized using advanced analytical techniques including GC, HPLC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. Due to its reactive ketone functionality, it should be stored separately from strong oxidizing agents, strong bases, and strong reducing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0% (Area %)
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.