Description

2-Cyclobuten-1-One, 4-Chloro-2-Methyl-3-(1-Methylethoxy)- is a specialized organic intermediate featuring a functionalized cyclobutenone core. This compound matters as a versatile building block for synthesizing complex molecules in advanced pharmaceutical and agrochemical research. It is primarily needed by R&D chemists and process development scientists in the fine chemical and pharmaceutical industries for constructing novel molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in medicinal chemistry programs targeting new therapeutic agents.
• Agrochemical Research: Used in the development and production of advanced crop protection agents and pesticides, leveraging its reactive scaffold.
• Fine Chemical Synthesis: Serves as a crucial precursor in multi-step organic syntheses for creating complex, high-value specialty chemicals.
• Material Science Research: Potential monomer or cross-linking agent in the development of novel polymers with specific thermal or mechanical properties.
• Academic & Industrial R&D: Employed in research laboratories for method development and exploring new chemical reactions and pathways.

Basic Information

Product Name	2-Cyclobuten-1-One, 4-Chloro-2-Methyl-3-(1-Methylethoxy)-
CAS No.	138151-56-1
Molecular Formula	C8H11ClO2
Molecular Weight	174.62 g/mol
Synonyms	4-Chloro-2-methyl-3-(1-methylethoxy)-2-cyclobuten-1-one; 4-Chloro-2-methyl-3-isopropoxy-2-cyclobuten-1-one; 3-Isopropoxy-4-chloro-2-methyl-2-cyclobuten-1-one; 4-Chloro-3-isopropoxy-2-methylcyclobut-2-en-1-one; 2-Cyclobuten-1-one, 4-chloro-2-methyl-3-(1-methylethoxy)-; 138151-56-1; 4-Chloro-2-methyl-3-(propan-2-yloxy)cyclobut-2-en-1-one
EINECS	Contact for details

Quality Control

Our 2-Cyclobuten-1-One, 4-Chloro-2-Methyl-3-(1-Methylethoxy)- is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request 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 (15-25°C). Keep away from heat, sparks, and open flame. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
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.