Description

3-(4-Methylsulfanyl-Phenyl)-Propionic Acid Ethyl Ester is a versatile organic ester building block featuring a phenyl ring substituted with a methylthio group. This compound is valued for its role as a key synthetic intermediate in the development of more complex molecules, particularly in pharmaceutical and agrochemical research. It is primarily sought by R&D chemists and process development scientists working in fine chemical synthesis, where its unique structure enables the introduction of specific functional groups.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those targeting neurological or metabolic pathways.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & OLED Material Research: Acts as a building block for advanced organic electronic materials due to its aromatic and sulfur-containing structure.
• Flavor & Fragrance Chemistry: Employed in the synthesis of complex aroma chemicals where the ethyl ester and thioether motifs are desirable.
• Organic Synthesis Building Block: Utilized in cross-coupling reactions, esterifications, and reductions to create diverse chemical libraries for screening.
• Polymer Modification: Can be incorporated as a monomer or additive to impart specific properties to specialty polymers.

Basic Information

Product Name	3-(4-Methylsulfanyl-Phenyl)-Propionic Acid Ethyl Ester
CAS No.	477885-33-9
Molecular Formula	C₁₂H₁₆O₂S
Molecular Weight	224.32 g/mol
Synonyms	Ethyl 3-(4-(Methylthio)phenyl)propanoate; 3-[4-(Methylsulfanyl)phenyl]propanoic acid ethyl ester; 4-(Methylthio)benzenepropanoic acid ethyl ester; Ethyl 4-(Methylthio)hydrocinnamate; Ethyl (4-Methylsulfanylphenyl)propionate; p-(Methylthio)hydrocinnamic acid ethyl ester; 3-(p-Methylthiophenyl)propionic acid ethyl ester
EINECS	Contact for details

Quality Control

Our 3-(4-Methylsulfanyl-Phenyl)-Propionic Acid Ethyl Ester is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. 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 under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is easily oxidized; prolonged exposure to air should be avoided.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (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.