Description

4-Methoxybenzenesulfinothioic Acid S-Phenyl Ester is a specialized organosulfur compound that serves as a valuable intermediate in advanced organic synthesis. Its unique sulfinothioate structure makes it a critical reagent for constructing complex molecules, particularly in pharmaceutical and agrochemical research. This high-purity chemical is essential for chemists and manufacturers in the fine chemical, life sciences, and material science industries who require reliable building blocks for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those containing sulfoxide or sulfone moieties.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, leveraging its sulfur-based reactivity.
• Ligand and Catalyst Precursor: Serves as a precursor for chiral auxiliaries or ligands in asymmetric catalysis.
• Polymer Modification: Employed in the development of specialty polymers and materials with specific sulfur-containing functional groups.
• Chemical Research & Development: A versatile reagent in academic and industrial R&D for exploring new synthetic methodologies.
• Fine Chemical Production: Integral in multi-step synthesis processes for high-value, complex organic molecules.

Basic Information

Product Name	4-Methoxybenzenesulfinothioic Acid S-Phenyl Ester
CAS No.	26974-29-8
Molecular Formula	C13H12O2S2
Molecular Weight	264.36 g/mol
Synonyms	S-Phenyl 4-Methoxybenzenesulfinothioate; p-Methoxyphenylsulfinothioic Acid S-Phenyl Ester; 4-Methoxyphenylsulfinothioic Acid S-Phenyl Ester; 4-Methoxybenzenesulfinothioic Acid Phenyl Ester; (4-Methoxyphenyl)sulfinothioic Acid S-Phenyl Ester; Benzenesulfinothioic Acid, 4-Methoxy-, S-Phenyl Ester; S-Phenyl p-Methoxybenzenesulfinothioate
EINECS	Contact for details

Quality Control

Our 4-Methoxybenzenesulfinothioic Acid S-Phenyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical quality parameters are available upon request. We are committed to supplying material that meets the stringent requirements of research and cGMP-grade production environments.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from strong oxidizing agents and bases. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.