Description

1-Methyl-4-(3-Methylbut-3-Enoxysulfonyl)Benzene is a specialized organic sulfonate ester compound with the CAS registry number 781-03-3. This chemical serves as a valuable intermediate and building block in advanced organic synthesis, particularly for introducing specific functional groups. It is primarily needed by pharmaceutical, agrochemical, and specialty chemical manufacturers engaged in research and process development.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates.
• Agrochemical Synthesis: Acts as a key precursor in the development of new herbicides, fungicides, and plant growth regulators.
• Material Science Research: Employed in the creation of specialty polymers, liquid crystals, and advanced organic materials.
• Fine Chemical Production: Serves as a versatile building block for synthesizing complex molecules in custom manufacturing.
• Cross-Coupling Reactions: Utilized in palladium-catalyzed reactions (e.g., Suzuki, Heck) to construct biaryl systems.
• Sulfonation Agent: Functions as a source of the sulfonyl group in selective organic transformations.

Basic Information

Product Name	1-Methyl-4-(3-Methylbut-3-Enoxysulfonyl)Benzene
CAS No.	781-03-3
Molecular Formula	C₁₂H₁₆O₃S
Molecular Weight	240.32 g/mol
Synonyms	p-Tolyl 3-methylbut-3-en-1-yl sulfonate; 4-Methylphenyl 3-methylbut-3-en-1-yl sulfonate; 1-Methyl-4-[(3-methyl-3-buten-1-yl)oxy]sulfonyl]benzene; 3-Methyl-3-buten-1-yl p-toluenesulfonate; 4-Toluenesulfonic acid 3-methyl-3-butenyl ester; 3-Methylbut-3-enyl tosylate; 3-Methyl-3-butenyl tosylate; p-Toluenesulfonyl 3-methyl-3-butenyl ether
EINECS	Contact for details

Quality Control

Our 1-Methyl-4-(3-Methylbut-3-Enoxysulfonyl)Benzene is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR analysis, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and heat sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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