Description

(4-Isothiocyanato-Phenyl)-Acetic Acid Methyl Ester is a versatile synthetic intermediate featuring a reactive isothiocyanate group and an ester moiety. This compound is valued for its role in the synthesis of more complex molecules, particularly in pharmaceutical and agrochemical research. It is primarily sought by R&D chemists and process development scientists in the life sciences and fine chemical industries.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel active pharmaceutical ingredients (APIs), especially in areas like oncology and neurology.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Bioconjugation & Probe Development: The isothiocyanate group reacts with amines, making it useful for labeling proteins, antibodies, and other biomolecules for diagnostic and research applications.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of specialty polymers and functional materials.
• Chemical Biology Tool: Employed in activity-based protein profiling (ABPP) and other chemoproteomic studies to investigate enzyme function.

Basic Information

Product Name	(4-Isothiocyanato-Phenyl)-Acetic Acid Methyl Ester
CAS No.	77055-43-7
Molecular Formula	C10H9NO2S
Molecular Weight	207.25 g/mol
Synonyms	Methyl (4-isothiocyanatophenyl)acetate; p-Isothiocyanatophenylacetic Acid Methyl Ester; 4-(Isothiocyanatomethyl)benzoic Acid Methyl Ester; (4-Isothiocyanatobenzyl)acetate; Methyl 2-(4-isothiocyanatophenyl)acetate; NSC 334906; Methyl p-isothiocyanatophenylacetate
EINECS	Contact for details

Quality Control

Our (4-Isothiocyanato-Phenyl)-Acetic Acid Methyl Ester is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy. Certificates of Analysis (COA) detailing all specifications are provided to ensure traceability and compliance with your research or production requirements.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.