Description

Ethanethioic Acid, [[(1,1-Dimethylethoxy)Carbonyl]Amino]-, S-Methyl Ester (9Ci) is a specialized thiocarbamate derivative, serving as a critical building block in advanced organic synthesis. Its molecular architecture, featuring both a protected amino group and a thioester functionality, makes it a versatile intermediate for constructing complex pharmacophores and agrochemicals. This high-purity compound is essential for research and development chemists in the pharmaceutical and agrochemical industries, enabling the synthesis of novel active ingredients with enhanced properties.

Application

• Pharmaceutical Intermediate: Key synthon for the development of novel drug candidates, particularly in protease inhibitor and other small molecule therapeutic research.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides, contributing to next-generation crop protection solutions.
• Peptide Mimetics & Bioconjugation: Facilitates the synthesis of peptide analogs and is used in bioconjugation chemistry for creating antibody-drug conjugates (ADCs) and other targeted therapies.
• Material Science Research: Acts as a precursor in the development of functional polymers and advanced materials with specific chemical functionalities.
• Chemical Biology Probes: Employed in the design and synthesis of activity-based probes for studying enzyme function and mechanism.
• Custom Synthesis & Contract Manufacturing: A vital starting material for custom synthesis houses and CDMOs serving the global life sciences market.

Basic Information

Item	Detail
Product Name	Ethanethioic Acid, [[(1,1-Dimethylethoxy)Carbonyl]Amino]-, S-Methyl Ester (9Ci)
CAS No.	545391-06-8
Molecular Formula	C9H15NO3S
Molecular Weight	217.28 g/mol
Synonyms	S-Methyl N-[(tert-Butoxycarbonyl)amino]thioacetate; N-Boc-Aminothioacetic Acid S-Methyl Ester; (tert-Butoxycarbonylamino)thioacetic Acid Methyl Thioester; 2-[(tert-Butoxycarbonyl)amino]ethanethioic Acid S-Methyl Ester; Boc-NH-CH2-COSCH3; Boc-Ata-OMe; N-(tert-Butoxycarbonyl)-2-aminoethanethioic Acid Methyl Ester
EINECS	Contact for details

Quality Control

Every batch of Ethanethioic Acid, [[(1,1-Dimethylethoxy)Carbonyl]Amino]-, S-Methyl Ester (9Ci) is manufactured under strict quality management systems. Our products undergo rigorous quality testing, including advanced chromatographic and spectroscopic methods, to ensure high purity and batch-to-batch consistency suitable for sensitive synthetic applications. Comprehensive Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This compound is moisture-sensitive (hygroscopic) and should be handled under anhydrous conditions when possible. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
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.