Description

L-Homocysteine, S-Ethyl-, Methyl Ester is a specialized, high-purity chemical building block and research compound. This derivative of the amino acid homocysteine is valued for its role in advanced organic synthesis and biochemical research, offering a protected and reactive functional group. It is primarily utilized by pharmaceutical R&D laboratories, fine chemical manufacturers, and academic institutions engaged in the development of novel compounds and metabolic pathway studies.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex molecules for drug discovery and development programs.
• Biochemical Research: Used as a precursor or standard in studies related to sulfur amino acid metabolism, homocysteine pathways, and enzymatic reactions.
• Peptide Synthesis: Serves as a protected homocysteine derivative for the incorporation into synthetic peptides and peptidomimetics.
• Chemical Biology Probes: Employed in the design and creation of molecular probes to study protein function and cellular processes.
• Reference Standard: Acts as a high-purity analytical standard for quality control and method development in analytical laboratories.
• Fine Chemical Synthesis: Utilized in custom synthesis and the production of specialized, high-value organic compounds.

Basic Information

Product Name	L-Homocysteine, S-Ethyl-, Methyl Ester
CAS No.	6687-25-8
Molecular Formula	C7H15NO2S
Molecular Weight	177.26 g/mol
Synonyms	L-Homocysteine S-ethyl methyl ester; (S)-2-Amino-4-(ethylthio)butyric acid methyl ester; Methyl (S)-2-amino-4-(ethylthio)butanoate; S-Ethyl-L-homocysteine methyl ester; Methyl S-ethyl-L-homocysteinate; L-Homocysteine ethyl ester methyl derivative; Hcy-Et-OMe
EINECS	Contact for details

Quality Control

Our L-Homocysteine, S-Ethyl-, Methyl Ester is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity verification and impurity profiling by HPLC, to ensure it meets the exacting standards required for research and synthesis. A Certificate of Analysis (COA) detailing specific results for identity, purity, and related substances is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). The product is hygroscopic (moisture-sensitive); keep the container tightly sealed under an inert atmosphere after opening to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% (L-Isomer)
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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