Description

4-Bromo-3-Methoxyphenyl-p-Toluenesulfonate is a high-purity, specialized organic intermediate of significant value in advanced chemical synthesis. This compound matters as a versatile building block, enabling the precise introduction of functionalized aryl groups into complex molecular architectures. It is primarily needed by research institutions and manufacturers in the pharmaceutical and agrochemical industries for developing active ingredients and novel materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a brominated, methoxy-substituted phenyl moiety.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in transition metal catalysis and organic transformations.
• Material Science Research: Employed in the synthesis of advanced organic materials, including liquid crystals and functional polymers.
• Chemical Biology Probes: Useful for synthesizing molecular probes and tags for studying biological systems and mechanisms.
• Custom Synthesis and Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific synthesis projects.

Basic Information

Product Name	4-Bromo-3-Methoxyphenyl-p-Toluenesulfonate
CAS No.	95740-49-1
Molecular Formula	C15H15BrO4S
Molecular Weight	371.25 g/mol
Synonyms	4-Bromo-3-methoxyphenyl tosylate; p-Toluenesulfonic acid 4-bromo-3-methoxyphenyl ester; 1-Bromo-2-methoxy-4-[(4-methylphenyl)sulfonyloxy]benzene; 4-Bromo-3-methoxyphenyl 4-methylbenzenesulfonate; Tosyloxy-4-bromo-3-methoxybenzene; (4-Bromo-3-methoxyphenyl) tosylate; 95740-49-1 (CAS)
EINECS	Contact for details

Quality Control

Our 4-Bromo-3-Methoxyphenyl-p-Toluenesulfonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via NMR and IR spectroscopy, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) with detailed specifications are provided to guarantee traceability, consistency, and reliability for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. This material is light-sensitive and should be stored away from light.

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.