Description

Cyclobutanecarboxylic Acid, 3-(Methylthio)-, Methyl Ester (9Ci) is a specialized organic compound featuring a cyclobutane ring substituted with a methylthio group and a methyl ester functionality. This unique structure makes it a valuable building block and intermediate in advanced synthetic chemistry, particularly for the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, especially those requiring a constrained cyclobutane scaffold.
• Agrochemical Synthesis: Used as a precursor in the manufacture of advanced pesticides and herbicides, where the methylthio group can be a crucial functional handle.
• Organic Synthesis Building Block: Serves as a versatile starting material for cyclobutane-containing compounds in academic and industrial research.
• Ligand and Catalyst Development: Potential use in the synthesis of specialized ligands for asymmetric catalysis or metal-organic frameworks.
• Flavor & Fragrance Chemistry: May be employed in the synthesis of complex aroma molecules due to its unique sulfur-containing structure.
• Material Science Research: Investigated as a monomer or additive for creating polymers with specific thermal or mechanical properties.

Basic Information

Product Name	Cyclobutanecarboxylic Acid, 3-(Methylthio)-, Methyl Ester (9Ci)
CAS No.	344750-31-8
Molecular Formula	C7H12O2S
Molecular Weight	160.23 g/mol
Synonyms	Methyl 3-(Methylthio)cyclobutanecarboxylate; 3-(Methylsulfanyl)cyclobutanecarboxylic Acid Methyl Ester; Cyclobutanecarboxylic Acid, 3-(Methylthio)-, Methyl Ester; Methyl 3-Methylthiocyclobutanecarboxylate; 3-Methylthiocyclobutanecarboxylic Acid Methyl Ester
EINECS	Contact for details

Quality Control

Our production of Cyclobutanecarboxylic Acid, 3-(Methylthio)-, Methyl Ester adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC/GC) and spectroscopy (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are provided and can be tailored to meet specific client or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Recommended storage temperature is between 2°C and 8°C for long-term stability. Keep away from strong bases and incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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